Fakra Female RG174 Water Blue Neutral Code Z Universal for use on different applications Fakra connectors are based on SMB with an additional plastic housing that contains a mechanical locking device preventing disconnection in high vibration applications. Fakra connectors are colour coded for different applications including: GSMGPS>Analogue RadioPhantom RadioTV1TV2Remote Control Keyless EntryRadio Controlled Parking HeatingBluetoothRadio With IF OutputNeutral Coding