diff --git a/Content.Client/NetworkConfigurator/NetworkConfiguratorBoundUserInterface.cs b/Content.Client/NetworkConfigurator/NetworkConfiguratorBoundUserInterface.cs
new file mode 100644
index 0000000000..fffe60c9fd
--- /dev/null
+++ b/Content.Client/NetworkConfigurator/NetworkConfiguratorBoundUserInterface.cs
@@ -0,0 +1,73 @@
+using Content.Shared.DeviceNetwork;
+using JetBrains.Annotations;
+using Robust.Client.GameObjects;
+
+namespace Content.Client.NetworkConfigurator;
+
+public sealed class NetworkConfiguratorBoundUserInterface : BoundUserInterface
+{
+    private NetworkConfiguratorListMenu? _listMenu;
+    private NetworkConfiguratorConfigurationMenu? _configurationMenu;
+
+    public NetworkConfiguratorBoundUserInterface(ClientUserInterfaceComponent owner, object uiKey) : base(owner, uiKey)
+    {
+    }
+
+    public void OnRemoveButtonPressed(string address)
+    {
+        SendMessage(new NetworkConfiguratorRemoveDeviceMessage(address));
+    }
+
+    protected override void Open()
+    {
+        base.Open();
+
+        switch (UiKey)
+        {
+            case NetworkConfiguratorUiKey.List:
+                _listMenu = new NetworkConfiguratorListMenu(this);
+                _listMenu.OnClose += Close;
+                _listMenu.ClearButton.OnPressed += _ => OnClearButtonPressed();
+                _listMenu.OpenCentered();
+                break;
+            case NetworkConfiguratorUiKey.Configure:
+                _configurationMenu = new NetworkConfiguratorConfigurationMenu();
+                _configurationMenu.OnClose += Close;
+                _configurationMenu.Set.OnPressed += _ => OnConfigButtonPressed(NetworkConfiguratorButtonKey.Set);
+                _configurationMenu.Add.OnPressed += _ => OnConfigButtonPressed(NetworkConfiguratorButtonKey.Add);
+                //_configurationMenu.Edit.OnPressed += _ => OnConfigButtonPressed(NetworkConfiguratorButtonKey.Edit);
+                _configurationMenu.Clear.OnPressed += _ => OnConfigButtonPressed(NetworkConfiguratorButtonKey.Clear);
+                _configurationMenu.Copy.OnPressed += _ => OnConfigButtonPressed(NetworkConfiguratorButtonKey.Copy);
+                _configurationMenu.Show.OnPressed += _ => OnConfigButtonPressed(NetworkConfiguratorButtonKey.Show);
+                _configurationMenu.OpenCentered();
+                break;
+        }
+    }
+
+    protected override void UpdateState(BoundUserInterfaceState state)
+    {
+        base.UpdateState(state);
+
+        var castState = (NetworkConfiguratorUserInterfaceState) state;
+        _listMenu?.UpdateState(castState);
+    }
+
+    protected override void Dispose(bool disposing)
+    {
+        base.Dispose(disposing);
+        if (!disposing) return;
+
+        _listMenu?.Dispose();
+        _configurationMenu?.Dispose();
+    }
+
+    private void OnClearButtonPressed()
+    {
+        SendMessage(new NetworkConfiguratorClearDevicesMessage());
+    }
+
+    private void OnConfigButtonPressed(NetworkConfiguratorButtonKey buttonKey)
+    {
+        SendMessage(new NetworkConfiguratorButtonPressedMessage(buttonKey));
+    }
+}
diff --git a/Content.Client/NetworkConfigurator/NetworkConfiguratorConfigurationMenu.xaml b/Content.Client/NetworkConfigurator/NetworkConfiguratorConfigurationMenu.xaml
new file mode 100644
index 0000000000..0c1affe6a3
--- /dev/null
+++ b/Content.Client/NetworkConfigurator/NetworkConfiguratorConfigurationMenu.xaml
@@ -0,0 +1,17 @@
+<ui:FancyWindow xmlns="https://spacestation14.io"
+                xmlns:ui="clr-namespace:Content.Client.UserInterface"
+                Title="Network Configurator" MinSize="350 100">
+    <BoxContainer Orientation="Vertical" VerticalExpand="True" HorizontalExpand="True">
+        <BoxContainer Orientation="Horizontal" HorizontalExpand="True" Margin="8 8 8 1">
+            <Button Name="Set" Text="Set" Access="Public" ToolTip="{Loc 'network-configurator-tooltip-set'}" HorizontalExpand="True" StyleClasses="ButtonSquare"/>
+            <Button Name="Add" Text="Add" Access="Public" ToolTip="{Loc 'network-configurator-tooltip-add'}" HorizontalExpand="True" StyleClasses="ButtonSquare"/>
+            <!-- Edit might not be needed  -->
+            <!--<Button Name="Edit" Text="Edit" Access="Public" ToolTip="{Loc 'network-configurator-tooltip-edit'}" HorizontalExpand="True" StyleClasses="ButtonSquare"/>-->
+            <Button Name="Clear" Text="Clear" Access="Public" ToolTip="{Loc 'network-configurator-tooltip-clear'}" HorizontalExpand="True"/>
+        </BoxContainer>
+        <BoxContainer Orientation="Horizontal" HorizontalExpand="True" Margin="8 0 8 8">
+            <Button Name="Copy" Text="Copy" Access="Public" ToolTip="{Loc 'network-configurator-tooltip-copy'}" HorizontalExpand="True" StyleClasses="OpenRight"/>
+            <Button Name="Show" Text="Show" Access="Public" Disabled="True" ToolTip="{Loc 'network-configurator-tooltip-show'}" HorizontalExpand="True" StyleClasses="ButtonSquare"/>
+        </BoxContainer>
+    </BoxContainer>
+</ui:FancyWindow>
diff --git a/Content.Client/NetworkConfigurator/NetworkConfiguratorConfigurationMenu.xaml.cs b/Content.Client/NetworkConfigurator/NetworkConfiguratorConfigurationMenu.xaml.cs
new file mode 100644
index 0000000000..41acabc6ba
--- /dev/null
+++ b/Content.Client/NetworkConfigurator/NetworkConfiguratorConfigurationMenu.xaml.cs
@@ -0,0 +1,22 @@
+using Content.Client.Stylesheets;
+using Content.Client.UserInterface;
+using Robust.Client.AutoGenerated;
+using Robust.Client.UserInterface.Controls;
+using Robust.Client.UserInterface.CustomControls;
+using Robust.Client.UserInterface.XAML;
+using Robust.Client.Graphics;
+
+namespace Content.Client.NetworkConfigurator;
+
+[GenerateTypedNameReferences]
+public sealed partial class NetworkConfiguratorConfigurationMenu : FancyWindow
+{
+
+    public NetworkConfiguratorConfigurationMenu()
+    {
+        RobustXamlLoader.Load(this);
+
+        Clear.StyleClasses.Add(StyleBase.ButtonOpenLeft);
+        Clear.StyleClasses.Add(StyleNano.StyleClassButtonColorRed);
+    }
+}
diff --git a/Content.Client/NetworkConfigurator/NetworkConfiguratorListMenu.xaml b/Content.Client/NetworkConfigurator/NetworkConfiguratorListMenu.xaml
new file mode 100644
index 0000000000..dbbbb35ddb
--- /dev/null
+++ b/Content.Client/NetworkConfigurator/NetworkConfiguratorListMenu.xaml
@@ -0,0 +1,18 @@
+<ui:FancyWindow xmlns="https://spacestation14.io"
+                xmlns:ui="clr-namespace:Content.Client.UserInterface"
+                Title="Network Configurator" MinSize="220 400">
+    <BoxContainer Orientation="Vertical" VerticalExpand="True">
+        <ScrollContainer HorizontalExpand="True" VerticalExpand="True">
+            <Control VerticalExpand="True">
+                <PanelContainer StyleClasses="PanelBackgroundBaseDark"></PanelContainer>
+                <BoxContainer Orientation="Vertical" Name="DeviceList" VerticalExpand="True" SeparationOverride="4">
+                </BoxContainer>
+            </Control>
+        </ScrollContainer>
+        <BoxContainer Orientation="Horizontal" Margin="8 8 8 8">
+            <Label Name="DeviceCountLabel" Margin="16 0 0 0" MaxWidth="64"></Label>
+            <Control HorizontalExpand="True" />
+            <Button Name="ClearButton" Access="Public" Text="{Loc 'network-configurator-ui-clear-button'}"></Button>
+        </BoxContainer>
+    </BoxContainer>
+</ui:FancyWindow>
diff --git a/Content.Client/NetworkConfigurator/NetworkConfiguratorListMenu.xaml.cs b/Content.Client/NetworkConfigurator/NetworkConfiguratorListMenu.xaml.cs
new file mode 100644
index 0000000000..e32db2a519
--- /dev/null
+++ b/Content.Client/NetworkConfigurator/NetworkConfiguratorListMenu.xaml.cs
@@ -0,0 +1,67 @@
+using Content.Client.UserInterface;
+using Content.Shared.DeviceNetwork;
+using Robust.Client.AutoGenerated;
+using Robust.Client.UserInterface.Controls;
+using Robust.Client.UserInterface.XAML;
+
+namespace Content.Client.NetworkConfigurator;
+
+[GenerateTypedNameReferences]
+public sealed partial class NetworkConfiguratorListMenu : FancyWindow
+{
+    private readonly NetworkConfiguratorBoundUserInterface _ui;
+    public NetworkConfiguratorListMenu(NetworkConfiguratorBoundUserInterface ui)
+    {
+        RobustXamlLoader.Load(this);
+
+        _ui = ui;
+    }
+
+    public void UpdateState(NetworkConfiguratorUserInterfaceState state)
+    {
+        DeviceCountLabel.Text = Loc.GetString("network-configurator-ui-count-label", ("count", state.DeviceList.Count));
+        DeviceList.RemoveAllChildren();
+
+        foreach (var savedDevice in state.DeviceList)
+        {
+            DeviceList.AddChild(BuildDeviceListRow(savedDevice));
+        }
+    }
+
+    private BoxContainer BuildDeviceListRow((string address, string name) savedDevice)
+    {
+        var row = new BoxContainer()
+        {
+            Orientation = BoxContainer.LayoutOrientation.Horizontal,
+            Margin = new Thickness(8)
+        };
+
+        var name = new Label()
+        {
+            Text = savedDevice.name[..Math.Min(11, savedDevice.name.Length)],
+            SetWidth = 84
+        };
+
+        var address = new Label()
+        {
+            Text = savedDevice.address,
+            HorizontalExpand = true,
+            Align = Label.AlignMode.Center
+        };
+
+        var removeButton = new TextureButton()
+        {
+            StyleClasses = { "CrossButtonRed" },
+            VerticalAlignment = VAlignment.Center,
+            Scale = new Vector2(0.5f, 0.5f)
+        };
+
+        removeButton.OnPressed += _ => _ui.OnRemoveButtonPressed(savedDevice.address);
+
+        row.AddChild(name);
+        row.AddChild(address);
+        row.AddChild(removeButton);
+
+        return row;
+    }
+}
diff --git a/Content.Client/Stylesheets/StyleNano.cs b/Content.Client/Stylesheets/StyleNano.cs
index 33aa7ba2bf..c2333d5171 100644
--- a/Content.Client/Stylesheets/StyleNano.cs
+++ b/Content.Client/Stylesheets/StyleNano.cs
@@ -39,6 +39,7 @@ namespace Content.Client.Stylesheets
         }
 
     }
+
     public sealed class StyleNano : StyleBase
     {
         public const string StyleClassBorderedWindowPanel = "BorderedWindowPanel";
@@ -93,6 +94,9 @@ namespace Content.Client.Stylesheets
         public static readonly Color ButtonColorCautionPressed = Color.FromHex("#3e6c45");
         public static readonly Color ButtonColorCautionDisabled = Color.FromHex("#602a2a");
 
+        public static readonly Color ButtonColorGoodDefault = Color.FromHex("#3E6C45");
+        public static readonly Color ButtonColorGoodHovered = Color.FromHex("#31843E");
+
         // Context menu button colors
         public static readonly Color ButtonColorContext = Color.FromHex("#1119");
         public static readonly Color ButtonColorContextHover = Color.DarkSlateGray;
@@ -112,6 +116,14 @@ namespace Content.Client.Stylesheets
 
         public const string StyleClassItemStatus = "ItemStatus";
 
+        //Background
+        public const string StyleClassBackgroundBaseDark = "PanelBackgroundBaseDark";
+
+        //Buttons
+        public const string StyleClassCrossButtonRed = "CrossButtonRed";
+        public const string StyleClassButtonColorRed = "ButtonColorRed";
+        public const string StyleClassButtonColorGreen = "ButtonColorGreen";
+
         public override Stylesheet Stylesheet { get; }
 
         public StyleNano(IResourceCache resCache) : base(resCache)
@@ -461,7 +473,7 @@ namespace Content.Client.Stylesheets
             var directionIconArrowTex = resCache.GetTexture("/Textures/Interface/VerbIcons/drop.svg.192dpi.png");
             var directionIconQuestionTex = resCache.GetTexture("/Textures/Interface/VerbIcons/information.svg.192dpi.png");
             var directionIconHereTex = resCache.GetTexture("/Textures/Interface/VerbIcons/dot.svg.192dpi.png");
-            
+
             Stylesheet = new Stylesheet(BaseRules.Concat(new[]
             {
                 // Window title.
@@ -1294,8 +1306,47 @@ namespace Content.Client.Stylesheets
                     .Prop("panel", new StyleBoxTexture(BaseButtonOpenLeft) { Padding = default })
                     .Prop(Control.StylePropertyModulateSelf, Color.FromHex("#1F1F23")),
 
-                Element<PanelContainer>().Class("Inset")
-                    .Prop("panel", insetBack),
+                Element<PanelContainer>().Class("WindowHeadingBackgroundLight")
+                    .Prop("panel", new StyleBoxTexture(BaseButtonOpenLeft) { Padding = default }),
+
+                //The lengths you have to go through to change a background color smh
+                Element<PanelContainer>().Class("PanelBackgroundBaseDark")
+                    .Prop("panel", new StyleBoxTexture(BaseButtonOpenBoth) { Padding = default })
+                    .Prop(Control.StylePropertyModulateSelf, Color.FromHex("#1F1F23")),
+
+                // X Texture button ---
+                Element<TextureButton>().Class("CrossButtonRed")
+                    .Prop(TextureButton.StylePropertyTexture, resCache.GetTexture("/Textures/Interface/Nano/cross.svg.png"))
+                    .Prop(Control.StylePropertyModulateSelf, DangerousRedFore),
+
+                Element<TextureButton>().Class("CrossButtonRed").Pseudo(TextureButton.StylePseudoClassHover)
+                    .Prop(Control.StylePropertyModulateSelf, Color.FromHex("#7F3636")),
+
+                Element<TextureButton>().Class("CrossButtonRed").Pseudo(TextureButton.StylePseudoClassHover)
+                    .Prop(Control.StylePropertyModulateSelf, Color.FromHex("#753131")),
+                // ---
+
+                // Red Button ---
+                Element<Button>().Class("ButtonColorRed")
+                    .Prop(Control.StylePropertyModulateSelf, ButtonColorDefaultRed),
+
+                Element<Button>().Class("ButtonColorRed").Pseudo(ContainerButton.StylePseudoClassNormal)
+                    .Prop(Control.StylePropertyModulateSelf, ButtonColorDefaultRed),
+
+                Element<Button>().Class("ButtonColorRed").Pseudo(ContainerButton.StylePseudoClassHover)
+                    .Prop(Control.StylePropertyModulateSelf, ButtonColorHoveredRed),
+                // ---
+
+                // Green Button ---
+                Element<Button>().Class("ButtonColorGreen")
+                    .Prop(Control.StylePropertyModulateSelf, ButtonColorGoodDefault),
+
+                Element<Button>().Class("ButtonColorGreen").Pseudo(ContainerButton.StylePseudoClassNormal)
+                    .Prop(Control.StylePropertyModulateSelf, ButtonColorGoodDefault),
+
+                Element<Button>().Class("ButtonColorGreen").Pseudo(ContainerButton.StylePseudoClassHover)
+                    .Prop(Control.StylePropertyModulateSelf, ButtonColorGoodHovered),
+                // ---
 
                 Element<Label>().Class("StatusFieldTitle")
                     .Prop("font-color", NanoGold),
diff --git a/Content.Server/DeviceNetwork/Components/DeviceListComponent.cs b/Content.Server/DeviceNetwork/Components/DeviceListComponent.cs
new file mode 100644
index 0000000000..9937cdef7c
--- /dev/null
+++ b/Content.Server/DeviceNetwork/Components/DeviceListComponent.cs
@@ -0,0 +1,28 @@
+using Content.Server.DeviceNetwork.Systems;
+
+namespace Content.Server.DeviceNetwork.Components;
+
+[RegisterComponent]
+[Friend(typeof(DeviceListSystem))]
+public sealed class DeviceListComponent : Component
+{
+    /// <summary>
+    /// The list of devices can or can't connect to, depending on the <see cref="IsAllowList"/> field.
+    /// </summary>
+    [DataField("devices")]
+    public HashSet<EntityUid> Devices = new();
+
+    /// <summary>
+    /// Whether the device list is used as an allow or deny list
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("isAllowList")]
+    public bool IsAllowList = true;
+
+    /// <summary>
+    /// Whether this device list also handles incoming device net packets
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("handleIncoming")]
+    public bool HandleIncomingPackets = false;
+}
diff --git a/Content.Server/DeviceNetwork/Components/DeviceNetworkComponent.cs b/Content.Server/DeviceNetwork/Components/DeviceNetworkComponent.cs
index 2f00eccdcd..297b2405f3 100644
--- a/Content.Server/DeviceNetwork/Components/DeviceNetworkComponent.cs
+++ b/Content.Server/DeviceNetwork/Components/DeviceNetworkComponent.cs
@@ -14,6 +14,7 @@ namespace Content.Server.DeviceNetwork.Components
             Wired,
             Wireless,
             Apc,
+            AtmosDevices,
             Reserved = 100,
             // Ids outside this enum may exist
             // This exists to let yml use nice names instead of numbers
@@ -85,5 +86,13 @@ namespace Content.Server.DeviceNetwork.Components
         [ViewVariables(VVAccess.ReadWrite)]
         [DataField("autoConnect")]
         public bool AutoConnect = true;
+
+        /// <summary>
+        ///     Whether to send the broadcast recipients list to the sender so it can be filtered.
+        /// <see cref="DeviceListSystem"/>
+        /// </summary>
+        [ViewVariables(VVAccess.ReadWrite)]
+        [DataField("sendBroadcastAttemptEvent")]
+        public bool SendBroadcastAttemptEvent = false;
     }
 }
diff --git a/Content.Server/DeviceNetwork/Components/NetworkConfiguratorComponent.cs b/Content.Server/DeviceNetwork/Components/NetworkConfiguratorComponent.cs
new file mode 100644
index 0000000000..1e43af63a3
--- /dev/null
+++ b/Content.Server/DeviceNetwork/Components/NetworkConfiguratorComponent.cs
@@ -0,0 +1,24 @@
+using Content.Server.DeviceNetwork.Systems;
+using Content.Shared.Sound;
+
+namespace Content.Server.DeviceNetwork.Components;
+
+[RegisterComponent]
+[Friend(typeof(NetworkConfiguratorSystem))]
+public sealed class NetworkConfiguratorComponent : Component
+{
+    /// <summary>
+    /// The list of devices stored in the configurator-
+    /// </summary>
+    [DataField("devices")]
+    public Dictionary<string, EntityUid> Devices = new();
+
+    /// <summary>
+    /// The entity containing a <see cref="DeviceListComponent"/> this configurator is currently interacting with
+    /// </summary>
+    [DataField("activeDeviceList")]
+    public EntityUid? ActiveDeviceList = null;
+
+    [DataField("soundNoAccess")]
+    public SoundSpecifier SoundNoAccess = new SoundPathSpecifier("/Audio/Machines/custom_deny.ogg");
+}
diff --git a/Content.Server/DeviceNetwork/Systems/DeviceListSystem.cs b/Content.Server/DeviceNetwork/Systems/DeviceListSystem.cs
new file mode 100644
index 0000000000..97a0864a8b
--- /dev/null
+++ b/Content.Server/DeviceNetwork/Systems/DeviceListSystem.cs
@@ -0,0 +1,93 @@
+using Content.Server.DeviceNetwork.Components;
+using Content.Shared.Interaction;
+using JetBrains.Annotations;
+
+namespace Content.Server.DeviceNetwork.Systems;
+
+[UsedImplicitly]
+public sealed class DeviceListSystem : EntitySystem
+{
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<DeviceListComponent, BeforeBroadcastAttemptEvent>(OnBeforeBroadcast);
+        SubscribeLocalEvent<DeviceListComponent, BeforePacketSentEvent>(OnBeforePacketSent);
+    }
+
+    /// <summary>
+    /// Replaces or merges the current device list with the given one
+    /// </summary>
+    public void UpdateDeviceList(EntityUid uid, IEnumerable<EntityUid> devices, bool merge = false, DeviceListComponent? deviceList = null)
+    {
+        if (!Resolve(uid, ref deviceList))
+            return;
+
+        if (!merge)
+            deviceList.Devices.Clear();
+
+        deviceList.Devices.UnionWith(devices);
+    }
+
+    /// <summary>
+    /// Gets the given device list as a dictionary
+    /// </summary>
+    public Dictionary<string, EntityUid> GetDeviceList(EntityUid uid, DeviceListComponent? deviceList = null)
+    {
+        if (!Resolve(uid, ref deviceList))
+            return new Dictionary<string, EntityUid>();
+
+        var devices = new Dictionary<string, EntityUid>(deviceList.Devices.Count);
+
+        foreach (var deviceUid in deviceList.Devices)
+        {
+            if (!TryComp(deviceUid, out DeviceNetworkComponent? deviceNet))
+                continue;
+
+            devices.Add(deviceNet.Address, deviceUid);
+
+        }
+
+        return devices;
+    }
+
+    /// <summary>
+    /// Toggles the given device lists connection visualisation on and off.
+    /// TODO: Implement an overlay that draws a line between the given entity and the entities in the device list
+    /// </summary>
+    public void ToggleVisualization(EntityUid uid, bool ensureOff = false, DeviceListComponent? deviceList = null)
+    {
+        if (!Resolve(uid, ref deviceList))
+            return;
+    }
+
+    /// <summary>
+    /// Filters the broadcasts recipient list against the device list as either an allow or deny list depending on the components IsAllowList field
+    /// </summary>
+    private void OnBeforeBroadcast(EntityUid uid, DeviceListComponent component, BeforeBroadcastAttemptEvent args)
+    {
+        //Don't filter anything if the device list is empty
+        if (component.Devices.Count == 0)
+        {
+            if (component.IsAllowList) args.Cancel();
+            return;
+        }
+
+        HashSet<DeviceNetworkComponent> filteredRecipients = new(args.Recipients.Count);
+
+        foreach (var recipient in args.Recipients)
+        {
+            if (component.Devices.Contains(recipient.Owner) == component.IsAllowList) filteredRecipients.Add(recipient);
+        }
+
+        args.ModifiedRecipients = filteredRecipients;
+    }
+
+    /// <summary>
+    /// Filters incoming packets if that is enabled <see cref="OnBeforeBroadcast"/>
+    /// </summary>
+    private void OnBeforePacketSent(EntityUid uid, DeviceListComponent component, BeforePacketSentEvent args)
+    {
+        if (component.HandleIncomingPackets && component.Devices.Contains(args.Sender) != component.IsAllowList)
+            args.Cancel();
+    }
+}
diff --git a/Content.Server/DeviceNetwork/Systems/DeviceNetworkSystem.cs b/Content.Server/DeviceNetwork/Systems/DeviceNetworkSystem.cs
index ae8858ba5c..aa3f191b0e 100644
--- a/Content.Server/DeviceNetwork/Systems/DeviceNetworkSystem.cs
+++ b/Content.Server/DeviceNetwork/Systems/DeviceNetworkSystem.cs
@@ -51,7 +51,7 @@ namespace Content.Server.DeviceNetwork.Systems
             if (!Resolve(uid, ref device, false))
                 return;
 
-            if (device.Address == null)
+            if (device.Address == string.Empty)
                 return;
 
             frequency ??= device.TransmitFrequency;
@@ -194,7 +194,8 @@ namespace Content.Server.DeviceNetwork.Systems
             var network = GetNetwork(packet.NetId);
             if (packet.Address == null)
             {
-                if (network.ListeningDevices.TryGetValue(packet.Frequency, out var devices))
+                // Broadcast to all listening devices
+                if (network.ListeningDevices.TryGetValue(packet.Frequency, out var devices) && CheckRecipientsList(packet, ref devices))
                 {
                     var deviceCopy = ArrayPool<DeviceNetworkComponent>.Shared.Rent(devices.Count);
                     devices.CopyTo(deviceCopy);
@@ -231,6 +232,30 @@ namespace Content.Server.DeviceNetwork.Systems
             }
         }
 
+        /// <summary>
+        /// Sends the <see cref="BeforeBroadcastAttemptEvent"/> to the sending entity if the packets SendBeforeBroadcastAttemptEvent field is set to true.
+        /// The recipients is set to the modified recipient list.
+        /// </summary>
+        /// <returns>false if the broadcast was canceled</returns>
+        private bool CheckRecipientsList(DeviceNetworkPacketEvent packet, ref HashSet<DeviceNetworkComponent> recipients)
+        {
+            if (!_networks.ContainsKey(packet.NetId) || !_networks[packet.NetId].Devices.ContainsKey(packet.SenderAddress))
+                return false;
+
+            var sender = _networks[packet.NetId].Devices[packet.SenderAddress];
+            if (!sender.SendBroadcastAttemptEvent)
+                return true;
+
+            var beforeBroadcastAttemptEvent = new BeforeBroadcastAttemptEvent(recipients);
+            RaiseLocalEvent(packet.Sender, beforeBroadcastAttemptEvent);
+
+            if (beforeBroadcastAttemptEvent.Cancelled || beforeBroadcastAttemptEvent.ModifiedRecipients == null)
+                return false;
+
+            recipients = beforeBroadcastAttemptEvent.ModifiedRecipients;
+            return true;
+        }
+
         private void SendToConnections(ReadOnlySpan<DeviceNetworkComponent> connections, DeviceNetworkPacketEvent packet)
         {
             var xform = Transform(packet.Sender);
@@ -278,6 +303,20 @@ namespace Content.Server.DeviceNetwork.Systems
         }
     }
 
+    /// <summary>
+    /// Sent to the sending entity before broadcasting network packets to recipients
+    /// </summary>
+    public sealed class BeforeBroadcastAttemptEvent : CancellableEntityEventArgs
+    {
+        public readonly IReadOnlySet<DeviceNetworkComponent> Recipients;
+        public HashSet<DeviceNetworkComponent>? ModifiedRecipients;
+
+        public BeforeBroadcastAttemptEvent(IReadOnlySet<DeviceNetworkComponent> recipients)
+        {
+            Recipients = recipients;
+        }
+    }
+
     /// <summary>
     /// Event raised when a device network packet gets sent.
     /// </summary>
diff --git a/Content.Server/DeviceNetwork/Systems/NetworkConfiguratorSystem.cs b/Content.Server/DeviceNetwork/Systems/NetworkConfiguratorSystem.cs
new file mode 100644
index 0000000000..68f1f3bfde
--- /dev/null
+++ b/Content.Server/DeviceNetwork/Systems/NetworkConfiguratorSystem.cs
@@ -0,0 +1,284 @@
+using Content.Server.DeviceNetwork.Components;
+using Content.Server.UserInterface;
+using Content.Shared.Access.Components;
+using Content.Shared.Access.Systems;
+using Content.Shared.Database;
+using Content.Shared.DeviceNetwork;
+using Content.Shared.Interaction;
+using Content.Shared.Interaction.Events;
+using Content.Shared.Movement;
+using Content.Shared.Popups;
+using Content.Shared.Verbs;
+using JetBrains.Annotations;
+using Robust.Server.GameObjects;
+using Robust.Shared.Audio;
+using Robust.Shared.Player;
+
+namespace Content.Server.DeviceNetwork.Systems;
+
+[UsedImplicitly]
+public sealed class NetworkConfiguratorSystem : EntitySystem
+{
+    [Dependency] private readonly DeviceListSystem _deviceListSystem = default!;
+    [Dependency] private readonly SharedPopupSystem _popupSystem = default!;
+    [Dependency] private readonly UserInterfaceSystem _uiSystem = default!;
+    [Dependency] private readonly AccessReaderSystem _accessSystem = default!;
+    [Dependency] private readonly SharedInteractionSystem _interactionSystem = default!;
+
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        //Interaction
+        SubscribeLocalEvent<NetworkConfiguratorComponent, AfterInteractEvent>((uid, component, args) => OnUsed(uid, component, args.Target, args.User, args.CanReach)); //TODO: Replace with utility verb?
+
+        //Verbs
+        SubscribeLocalEvent<NetworkConfiguratorComponent, GetVerbsEvent<UtilityVerb>>(OnAddInteractVerb);
+        SubscribeLocalEvent<DeviceNetworkComponent, GetVerbsEvent<AlternativeVerb>>(OnAddAlternativeSaveDeviceVerb);
+
+        //UI
+        SubscribeLocalEvent<NetworkConfiguratorComponent, BoundUIClosedEvent>(OnUiClosed);
+        SubscribeLocalEvent<NetworkConfiguratorComponent, NetworkConfiguratorRemoveDeviceMessage>(OnRemoveDevice);
+        SubscribeLocalEvent<NetworkConfiguratorComponent, NetworkConfiguratorClearDevicesMessage>(OnClearDevice);
+        SubscribeLocalEvent<NetworkConfiguratorComponent, NetworkConfiguratorButtonPressedMessage>(OnConfigButtonPressed);
+
+        SubscribeLocalEvent<DeviceListComponent, ComponentRemove>(OnComponentRemoved);
+    }
+
+    public override void Update(float frameTime)
+    {
+        base.Update(frameTime);
+
+        foreach (var component in EntityManager.EntityQuery<NetworkConfiguratorComponent>())
+        {
+            if (component.ActiveDeviceList != null && EntityManager.EntityExists(component.ActiveDeviceList.Value) &&
+                _interactionSystem.InRangeUnobstructed(component.Owner, component.ActiveDeviceList.Value))
+            {
+                return;
+            }
+
+            //The network configurator is a handheld device. There can only ever be an ui session open for the player holding the device.
+            _uiSystem.GetUiOrNull(component.Owner, NetworkConfiguratorUiKey.Configure)?.CloseAll();
+        }
+    }
+
+    private void TryAddNetworkDevice(EntityUid? targetUid, EntityUid configuratorUid, EntityUid userUid,
+        NetworkConfiguratorComponent? configurator = null)
+    {
+        if (!Resolve(configuratorUid, ref configurator))
+            return;
+
+        TryAddNetworkDevice(targetUid, userUid, configurator);
+    }
+
+    private void TryAddNetworkDevice(EntityUid? targetUid, EntityUid userUid, NetworkConfiguratorComponent configurator, DeviceNetworkComponent? device = null)
+    {
+        if (!targetUid.HasValue || !Resolve(targetUid.Value, ref device))
+            return;
+
+        if (string.IsNullOrEmpty(device.Address))
+        {
+            _popupSystem.PopupCursor(Loc.GetString("network-configurator-device-failed", ("device", targetUid)), Filter.Entities(userUid));
+            return;
+        }
+
+        if (configurator.Devices.ContainsValue(targetUid.Value))
+        {
+            _popupSystem.PopupCursor(Loc.GetString("network-configurator-device-already-saved", ("device", targetUid)), Filter.Entities(userUid));
+            return;
+        }
+
+        configurator.Devices.Add(device.Address, targetUid.Value);
+        _popupSystem.PopupCursor(Loc.GetString("network-configurator-device-saved", ("address", device.Address), ("device", targetUid)),
+            Filter.Entities(userUid));
+
+        UpdateUiState(configurator.Owner, configurator);
+    }
+
+    private bool AccessCheck(EntityUid target, EntityUid? user, NetworkConfiguratorComponent component)
+    {
+        if (!TryComp(target, out AccessReaderComponent? reader) || user == null)
+            return false;
+
+        if (_accessSystem.IsAllowed(user.Value, reader))
+            return true;
+
+        SoundSystem.Play(Filter.Pvs(user.Value), component.SoundNoAccess.GetSound(), target, AudioParams.Default.WithVolume(-2f).WithPitchScale(1.2f));
+        _popupSystem.PopupEntity(Loc.GetString("network-configurator-device-access-denied"), target, Filter.Entities(user.Value));
+
+        return false;
+    }
+
+    private void OnComponentRemoved(EntityUid uid, DeviceListComponent component, ComponentRemove args)
+    {
+        _uiSystem.GetUiOrNull(component.Owner, NetworkConfiguratorUiKey.Configure)?.CloseAll();
+    }
+
+    #region Interactions
+
+    /// <summary>
+    /// Either adds a device to the device list or shows the config ui if the target is ant entity with a device list
+    /// </summary>
+    private void OnUsed(EntityUid uid, NetworkConfiguratorComponent component, EntityUid? target, EntityUid user, bool canReach = true)
+    {
+        if (!canReach)
+            return;
+
+        if (!HasComp<DeviceListComponent>(target))
+        {
+            TryAddNetworkDevice(target, user, component);
+            return;
+        }
+
+        OpenDeviceListUi(target, user, component);
+    }
+
+    #endregion
+
+    #region Verbs
+
+    /// <summary>
+    /// Adds the interaction verb which is either configuring device lists or saving a device onto the configurator
+    /// </summary>
+    private void OnAddInteractVerb(EntityUid uid, NetworkConfiguratorComponent component, GetVerbsEvent<UtilityVerb> args)
+    {
+        if (!args.CanAccess || !args.CanInteract || !args.Using.HasValue || !HasComp<DeviceNetworkComponent>(args.Target))
+            return;
+
+        var isDeviceList = HasComp<DeviceListComponent>(args.Target);
+
+        UtilityVerb verb = new()
+        {
+            Text = Loc.GetString(isDeviceList ? "network-configurator-configure" : "network-configurator-save-device"),
+            IconTexture = isDeviceList ? "/Textures/Interface/VerbIcons/settings.svg.192dpi.png" : "/Textures/Interface/VerbIcons/in.svg.192dpi.png",
+            Act = () => OnUsed(uid, component, args.Target, args.User),
+            Impact = LogImpact.Low
+        };
+        args.Verbs.Add(verb);
+    }
+
+    /// <summary>
+    /// Powerful. Funny alt interact using.
+    /// Adds an alternative verb for saving a device on the configurator for entities with the <see cref="DeviceListComponent"/>.
+    /// Allows alt clicking entities with a network configurator that would otherwise trigger a different action like entities
+    /// with a <see cref="DeviceListComponent"/>
+    /// </summary>
+    private void OnAddAlternativeSaveDeviceVerb(EntityUid uid, DeviceNetworkComponent component, GetVerbsEvent<AlternativeVerb> args)
+    {
+        if (!args.CanAccess || !args.CanInteract || !args.Using.HasValue || !HasComp<NetworkConfiguratorComponent>(args.Using.Value)
+            || !HasComp<DeviceListComponent>(args.Target))
+            return;
+
+        AlternativeVerb verb = new()
+        {
+            Text = Loc.GetString("network-configurator-save-device"),
+            IconTexture = "/Textures/Interface/VerbIcons/in.svg.192dpi.png",
+            Act = () => TryAddNetworkDevice(args.Target, args.Using.Value, args.User),
+            Impact = LogImpact.Low
+        };
+        args.Verbs.Add(verb);
+    }
+
+    #endregion
+
+    #region UI
+
+    /// <summary>
+    /// Opens the config ui. It can be used to modify the devices in the targets device list.
+    /// </summary>
+    private void OpenDeviceListUi(EntityUid? targetUid, EntityUid userUid, NetworkConfiguratorComponent configurator)
+    {
+        if (!targetUid.HasValue || !TryComp(userUid, out ActorComponent? actor) || !AccessCheck(targetUid.Value, userUid, configurator))
+            return;
+
+        configurator.ActiveDeviceList = targetUid;
+        _uiSystem.GetUiOrNull(configurator.Owner, NetworkConfiguratorUiKey.Configure)?.Open(actor.PlayerSession);
+    }
+
+    /// <summary>
+    /// Sends the list of saved devices to the ui
+    /// </summary>
+    private void UpdateUiState(EntityUid uid, NetworkConfiguratorComponent component)
+    {
+        HashSet<(string address, string name)> devices = new();
+        HashSet<string> invalidDevices = new();
+
+        foreach (var pair in component.Devices)
+        {
+            if (!Exists(pair.Value))
+            {
+                invalidDevices.Add(pair.Key);
+                continue;
+            }
+
+            devices.Add((pair.Key, Name(pair.Value)));
+        }
+
+        //Remove saved entities that don't exist anymore
+        foreach (var invalidDevice in invalidDevices)
+        {
+            component.Devices.Remove(invalidDevice);
+        }
+
+        _uiSystem.GetUiOrNull(uid, NetworkConfiguratorUiKey.List)?.SetState(new NetworkConfiguratorUserInterfaceState(devices));
+    }
+
+    /// <summary>
+    /// Clears the active device list when the ui is closed
+    /// </summary>
+    private void OnUiClosed(EntityUid uid, NetworkConfiguratorComponent component, BoundUIClosedEvent args)
+    {
+        component.ActiveDeviceList = null;
+    }
+
+    /// <summary>
+    /// Removes a device from the saved devices list
+    /// </summary>
+    private void OnRemoveDevice(EntityUid uid, NetworkConfiguratorComponent component, NetworkConfiguratorRemoveDeviceMessage args)
+    {
+        component.Devices.Remove(args.Address);
+        UpdateUiState(uid, component);
+    }
+
+    /// <summary>
+    /// Clears the saved devices
+    /// </summary>
+    private void OnClearDevice(EntityUid uid, NetworkConfiguratorComponent component, NetworkConfiguratorClearDevicesMessage _)
+    {
+        component.Devices.Clear();
+        UpdateUiState(uid, component);
+    }
+
+    /// <summary>
+    /// Handles all the button presses from the config ui.
+    /// Modifies, copies or visualizes the targets device list
+    /// </summary>
+    private void OnConfigButtonPressed(EntityUid uid, NetworkConfiguratorComponent component, NetworkConfiguratorButtonPressedMessage args)
+    {
+        if (!component.ActiveDeviceList.HasValue)
+            return;
+
+        switch (args.ButtonKey)
+        {
+            case NetworkConfiguratorButtonKey.Set:
+                _deviceListSystem.UpdateDeviceList(component.ActiveDeviceList.Value, new HashSet<EntityUid>(component.Devices.Values));
+                break;
+            case NetworkConfiguratorButtonKey.Add:
+                _deviceListSystem.UpdateDeviceList(component.ActiveDeviceList.Value, new HashSet<EntityUid>(component.Devices.Values), true);
+                break;
+            case NetworkConfiguratorButtonKey.Clear:
+                _deviceListSystem.UpdateDeviceList(component.ActiveDeviceList.Value, new HashSet<EntityUid>());
+                break;
+            case NetworkConfiguratorButtonKey.Copy:
+                component.Devices = _deviceListSystem.GetDeviceList(component.ActiveDeviceList.Value);
+                UpdateUiState(uid, component);
+                break;
+            case NetworkConfiguratorButtonKey.Show:
+                _deviceListSystem.ToggleVisualization(component.ActiveDeviceList.Value);
+                break;
+        }
+    }
+
+    #endregion
+}
diff --git a/Content.Shared/DeviceNetwork/NetworkConfiguratorUIMessages.cs b/Content.Shared/DeviceNetwork/NetworkConfiguratorUIMessages.cs
new file mode 100644
index 0000000000..cb8c8c8e6e
--- /dev/null
+++ b/Content.Shared/DeviceNetwork/NetworkConfiguratorUIMessages.cs
@@ -0,0 +1,54 @@
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.DeviceNetwork;
+
+[Serializable, NetSerializable]
+public enum NetworkConfiguratorUiKey
+{
+    List,
+    Configure
+}
+
+[Serializable, NetSerializable]
+public enum NetworkConfiguratorButtonKey
+{
+    Set,
+    Add,
+    Edit,
+    Clear,
+    Copy,
+    Show
+}
+
+/// <summary>
+/// Message sent when the remove button for one device on the list was pressed
+/// </summary>
+[Serializable, NetSerializable]
+public sealed class NetworkConfiguratorRemoveDeviceMessage : BoundUserInterfaceMessage
+{
+    public readonly string Address;
+
+    public NetworkConfiguratorRemoveDeviceMessage(string address)
+    {
+        Address = address;
+    }
+}
+
+/// <summary>
+/// Message sent when the clear button was pressed
+/// </summary>
+[Serializable, NetSerializable]
+public sealed class NetworkConfiguratorClearDevicesMessage : BoundUserInterfaceMessage
+{
+}
+
+[Serializable, NetSerializable]
+public sealed class NetworkConfiguratorButtonPressedMessage : BoundUserInterfaceMessage
+{
+    public readonly NetworkConfiguratorButtonKey ButtonKey;
+
+    public NetworkConfiguratorButtonPressedMessage(NetworkConfiguratorButtonKey buttonKey)
+    {
+        ButtonKey = buttonKey;
+    }
+}
diff --git a/Content.Shared/DeviceNetwork/NetworkConfiguratorUserInterfaceState.cs b/Content.Shared/DeviceNetwork/NetworkConfiguratorUserInterfaceState.cs
new file mode 100644
index 0000000000..03d44fac66
--- /dev/null
+++ b/Content.Shared/DeviceNetwork/NetworkConfiguratorUserInterfaceState.cs
@@ -0,0 +1,14 @@
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.DeviceNetwork;
+
+[Serializable, NetSerializable]
+public sealed class NetworkConfiguratorUserInterfaceState : BoundUserInterfaceState
+{
+    public readonly HashSet<(string address, string name)> DeviceList;
+
+    public NetworkConfiguratorUserInterfaceState(HashSet<(string, string)> deviceList)
+    {
+        DeviceList = deviceList;
+    }
+}
diff --git a/Resources/Locale/en-US/devices/network-configurator.ftl b/Resources/Locale/en-US/devices/network-configurator.ftl
new file mode 100644
index 0000000000..d92bc07675
--- /dev/null
+++ b/Resources/Locale/en-US/devices/network-configurator.ftl
@@ -0,0 +1,22 @@
+# Popups
+
+network-configurator-device-saved = Successfully saved network device {$device} with address {$address}!
+network-configurator-device-failed = Failed to save network device {$device}! No address assigned!
+network-configurator-device-already-saved = network device: {$device} is already saved.
+network-configurator-device-access-denied = Access denied!
+
+# Verbs
+network-configurator-save-device = Save device
+network-configurator-configure = Configure
+
+# ui
+network-configurator-ui-clear-button = Clear
+network-configurator-ui-count-label = {$count} Devices
+
+# tooltips
+network-configurator-tooltip-set = Sets targets device list
+network-configurator-tooltip-add = Adds to targets device list
+network-configurator-tooltip-edit = Edit targets device list
+network-configurator-tooltip-clear = Clear targets device list
+network-configurator-tooltip-copy = Copy targets device list to multitool
+network-configurator-tooltip-show = Show a holographic visualization of targets device list
diff --git a/Resources/Prototypes/Entities/Objects/Tools/tools.yml b/Resources/Prototypes/Entities/Objects/Tools/tools.yml
index 8914ff25ad..d7e5ac1735 100644
--- a/Resources/Prototypes/Entities/Objects/Tools/tools.yml
+++ b/Resources/Prototypes/Entities/Objects/Tools/tools.yml
@@ -181,10 +181,18 @@
     qualities:
       - Pulsing
   - type: SignalLinker
+  - type: NetworkConfigurator
+  - type: ActivatableUI
+    key: enum.NetworkConfiguratorUiKey.List
+    inHandsOnly: true
   - type: UserInterface
     interfaces:
     - key: enum.SignalLinkerUiKey.Key
       type: SignalPortSelectorBoundUserInterface
+    - key: enum.NetworkConfiguratorUiKey.List
+      type: NetworkConfiguratorBoundUserInterface
+    - key: enum.NetworkConfiguratorUiKey.Configure
+      type: NetworkConfiguratorBoundUserInterface
   - type: Tag
     tags:
       - DroneUsable
diff --git a/Resources/Prototypes/Entities/Structures/Doors/Firelocks/firelock.yml b/Resources/Prototypes/Entities/Structures/Doors/Firelocks/firelock.yml
index 6cdcb7a157..9584681e9f 100644
--- a/Resources/Prototypes/Entities/Structures/Doors/Firelocks/firelock.yml
+++ b/Resources/Prototypes/Entities/Structures/Doors/Firelocks/firelock.yml
@@ -11,9 +11,8 @@
     - type: ApcPowerReceiver
     - type: ExtensionCableReceiver
     - type: DeviceNetwork
-      deviceNetId: Apc
+      deviceNetId: AtmosDevices
       receiveFrequencyId: AtmosMonitor
-    - type: ApcNetworkConnection
     - type: InteractionOutline
     - type: Damageable
       damageContainer: Inorganic
diff --git a/Resources/Prototypes/Entities/Structures/Piping/Atmospherics/unary.yml b/Resources/Prototypes/Entities/Structures/Piping/Atmospherics/unary.yml
index d8c62430ca..d2cc059719 100644
--- a/Resources/Prototypes/Entities/Structures/Piping/Atmospherics/unary.yml
+++ b/Resources/Prototypes/Entities/Structures/Piping/Atmospherics/unary.yml
@@ -27,11 +27,10 @@
     - type: ApcPowerReceiver
     - type: ExtensionCableReceiver
     - type: DeviceNetwork
-      deviceNetId: Apc
+      deviceNetId: AtmosDevices
       receiveFrequencyId: AtmosMonitor
       transmitFrequencyId: AtmosMonitor
       prefix: device-address-prefix-vent
-    - type: ApcNetworkConnection
     - type: AtmosAlarmable
       alarmedBy:
       - AirAlarm
@@ -99,11 +98,10 @@
     - type: ApcPowerReceiver
     - type: ExtensionCableReceiver
     - type: DeviceNetwork
-      deviceNetId: Apc
+      deviceNetId: AtmosDevices
       receiveFrequencyId: AtmosMonitor
       transmitFrequencyId: AtmosMonitor
       prefix: device-address-prefix-scrubber
-    - type: ApcNetworkConnection
     - type: AtmosAlarmable
       alarmedBy:
       - AirAlarm
diff --git a/Resources/Prototypes/Entities/Structures/Wallmounts/air_alarm.yml b/Resources/Prototypes/Entities/Structures/Wallmounts/air_alarm.yml
index 5587194d50..ee01601bce 100644
--- a/Resources/Prototypes/Entities/Structures/Wallmounts/air_alarm.yml
+++ b/Resources/Prototypes/Entities/Structures/Wallmounts/air_alarm.yml
@@ -10,10 +10,12 @@
     usesApcPower: true
   - type: ExtensionCableReceiver
   - type: DeviceNetwork
-    deviceNetId: Apc
+    deviceNetId: AtmosDevices
     receiveFrequencyId: AtmosMonitor
     transmitFrequencyId: AtmosMonitor
-  - type: ApcNetworkConnection
+    sendBroadcastAttemptEvent: true
+  - type: WiredNetworkConnection
+  - type: DeviceList
   - type: AtmosMonitor
     temperatureThreshold: stationTemperature
     pressureThreshold: stationPressure
diff --git a/Resources/Prototypes/Entities/Structures/Wallmounts/fire_alarm.yml b/Resources/Prototypes/Entities/Structures/Wallmounts/fire_alarm.yml
index 8b275e53ae..fc6ebe558d 100644
--- a/Resources/Prototypes/Entities/Structures/Wallmounts/fire_alarm.yml
+++ b/Resources/Prototypes/Entities/Structures/Wallmounts/fire_alarm.yml
@@ -10,7 +10,7 @@
     usesApcPower: true
   - type: ExtensionCableReceiver
   - type: DeviceNetwork
-    deviceNetId: Apc
+    deviceNetId: AtmosDevices
     receiveFrequencyId: AtmosMonitor
     transmitFrequencyId: AtmosMonitor
   - type: ApcNetworkConnection