This antenna adapter set for select 2007 and up Nissan vehicles adapts an FM modulator to a factory antenna connection and is commonly used when adding an FM modulated CD changer. Includes 40NI12 and 40NI22 and power wires for antenna booster., Nissan Antenna Connections for Installing an FM Modulator, Includes Power Wires for Antenna Booster, Includes 40 NI12 and 40 NI22, Adapts FM Modulator to a Factory Antenna Connection, , , , , , , Weight (lb)0.05, Height (in)0.75,Width (in)2,Depth (in)16