commit then think

modules/nixos/system/wireless/bluetooth.nix

@@ -0,0 +1,21 @@
+{
+  # pkgs,
+  lib,
+  config,
+  ...
+}:
+with lib; let
+  cfg = config.wireless.bluetooth;
+in {
+  options = {
+    wireless.bluetooth = {
+      enable = mkEnableOption "enable bluetooth";
+      enableBlueman = mkEnableOption "enable bluetooth manager";
+    };
+  };
+  config = mkIf cfg.enable {
+    hardware.bluetooth.enable = true;
+    hardware.bluetooth.powerOnBoot = true;
+    services.blueman.enable = cfg.enableBlueman;
+  };
+}

modules/nixos/system/wireless/main.nix

@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./bluetooth.nix
+    ./wifi.nix
+  ];
+}

modules/nixos/system/wireless/wifi.nix

@@ -0,0 +1,29 @@
+{
+  lib,
+  config,
+  ...
+}:
+with lib; let
+  cfg = config.wireless.wifi;
+in {
+  options = {
+    wireless.wifi.enable =
+      mkEnableOption "enables wifi with iwd and MAC address randomisation";
+  };
+  config = mkIf cfg.enable {
+    networking = {
+      networkmanager.wifi.backend = "iwd";
+      wireless.iwd = {
+        enable = true;
+        settings = {
+          General = {
+            AddressRandomization = "network";
+          };
+          Settings = {
+            AlwaysRandomizeAddress = true;
+          };
+        };
+      };
+    };
+  };
+}