diff --git a/libnymea-core/jsonrpc/networkmanagerhandler.cpp b/libnymea-core/jsonrpc/networkmanagerhandler.cpp
index 62766e68..77249577 100644
--- a/libnymea-core/jsonrpc/networkmanagerhandler.cpp
+++ b/libnymea-core/jsonrpc/networkmanagerhandler.cpp
@@ -90,6 +90,7 @@ NetworkManagerHandler::NetworkManagerHandler(NetworkManager *networkManager, QOb
     registerEnum<NetworkManager::NetworkManagerError>();
     registerEnum<NetworkManager::NetworkManagerState>();
     registerEnum<NetworkDevice::NetworkDeviceState>();
+    registerFlag<WirelessNetworkDevice::WirelessCapability, WirelessNetworkDevice::WirelessCapabilities>();
     registerEnum<WirelessNetworkDevice::WirelessMode>();
     registerEnum<WiredNetworkConnectionType>();
 
@@ -119,6 +120,7 @@ NetworkManagerHandler::NetworkManagerHandler(NetworkManager *networkManager, QOb
     wirelessNetworkDevice.insert("r:ipv4Addresses", enumValueName(StringList));
     wirelessNetworkDevice.insert("r:ipv6Addresses", enumValueName(StringList));
     wirelessNetworkDevice.insert("r:state", enumRef<NetworkDevice::NetworkDeviceState>());
+    wirelessNetworkDevice.insert("r:capabilities", flagRef<WirelessNetworkDevice::WirelessCapabilities>());
     wirelessNetworkDevice.insert("r:bitRate", enumValueName(String));
     wirelessNetworkDevice.insert("r:mode", enumRef<WirelessNetworkDevice::WirelessMode>());
     wirelessNetworkDevice.insert("r:o:currentAccessPoint", objectRef<WirelessAccessPoint>());
@@ -556,6 +558,7 @@ QVariantMap NetworkManagerHandler::packWirelessNetworkDevice(WirelessNetworkDevi
     networkDeviceVariant.insert("ipv4Addresses", networkDevice->ipv4Addresses());
     networkDeviceVariant.insert("ipv6Addresses", networkDevice->ipv6Addresses());
     networkDeviceVariant.insert("state", networkDevice->deviceStateString());
+    networkDeviceVariant.insert("capabilities", flagValueNames(networkDevice->wirelessCapabilities()));
     networkDeviceVariant.insert("mode", enumValueName(networkDevice->wirelessMode()));
     networkDeviceVariant.insert("bitRate", QString("%1 [Mb/s]").arg(QString::number(networkDevice->bitRate())));
     if (networkDevice->activeAccessPoint())
diff --git a/tests/auto/api.json b/tests/auto/api.json
index aa969843..b2880d19 100644
--- a/tests/auto/api.json
+++ b/tests/auto/api.json
@@ -139,7 +139,8 @@
             "NetworkManagerErrorWirelessConnectionFailed",
             "NetworkManagerErrorNetworkingDisabled",
             "NetworkManagerErrorNetworkManagerNotAvailable",
-            "NetworkManagerErrorInvalidConfiguration"
+            "NetworkManagerErrorInvalidConfiguration",
+            "NetworkManagerErrorUnsupportedFeature"
         ],
         "NetworkManagerState": [
             "NetworkManagerStateUnknown",
@@ -378,6 +379,20 @@
             "WiredNetworkConnectionTypeManual",
             "WiredNetworkConnectionTypeShared"
         ],
+        "WirelessCapability": [
+            "WirelessCapabilityNone",
+            "WirelessCapabilityCipherWEP40",
+            "WirelessCapabilityCipherWEP104",
+            "WirelessCapabilityCipherTKIP",
+            "WirelessCapabilityCipherCCMP",
+            "WirelessCapabilityWPA",
+            "WirelessCapabilityRSN",
+            "WirelessCapabilityAP",
+            "WirelessCapabilityAdHoc",
+            "WirelessCapabilityFreqValid",
+            "WirelessCapability2Ghz",
+            "WirelessCapability5Ghz"
+        ],
         "WirelessMode": [
             "WirelessModeUnknown",
             "WirelessModeAdhoc",
@@ -551,6 +566,9 @@
         ],
         "PermissionScopes": [
             "$ref:PermissionScope"
+        ],
+        "WirelessCapabilities": [
+            "$ref:WirelessCapability"
         ]
     },
     "methods": {
@@ -3272,6 +3290,7 @@
         },
         "WirelessNetworkDevice": {
             "r:bitRate": "String",
+            "r:capabilities": "$ref:WirelessCapabilities",
             "r:interface": "String",
             "r:ipv4Addresses": "StringList",
             "r:ipv6Addresses": "StringList",