Active GPS Antenna Fakra VW Audi MFD2 RNS2 MFD3 RNS510 Sat Nav High Gain External GPS antenna / aerial For VW Audi Select Navigation system Fakra VW Audi MFD2 RNS2 MFD3 RNS510 Sat Nav Mercedes: Command APS in Mercedes W211 E-Class and APS 50 in CLK W209,CLS W219 Connector Style=fakra Connector color=Blue, Type=C Gain=3dB,RHCP,Z=50R, Center Frequency 1575.42MHz3MHz