Philips Spotify Multiroom speaker supports the following Wi-Fi security: * Open (unsecured network) * WEP, 10 or 26 hex digits key * WPA (TKIP) or WPA2 (TKIP / AES) with 8 to 40 printable ASCII characters passphrase Remarks: * Hidden SSID is not supported * Make sure Mac address filtering is not enabled on your router (This feature is usually not enabled in most routers, but if you have enabled Mac address filtering before and need to disable it, consult the user manual of the router)