Connect your vehicle's original factory head unit radio stereo to after market Sirius XM satellite radio antenna, Satellite radio antenna adapter, use your vehicle's factory head unit radio stereo tuner connecting with the satellite radio antenna It adapts the an SMB plug at the end of your satellite radio antenna cable to universal FAKRA connector that connects to your factory car stereo head unit tuner. Cable Length: 15cm; Connector: Fakra Z Water Blue Male Connector to SMB Plug Right Angle Connector Package List: 1 x Antenna (As the Picture Shown)