Compatible with navigation systems including: Mercedes Command Audi RNS-E VW MFD2 and RNS510 Audi MMI Series BMW and more just look for the blue plugs on the back of your NAV system. Features: 3 Meters long cable Frequency: 1575.42MHz Waterproof Working Temp -40 degree to 85 degree Storage Temp. -45 degree to 100 degree Super strong polycarbonate radome Physical dimensions: 38mm(W) x 45mm(L) x 15mm(H) Double shielded coaxial cable Made of strong polycarbonate housing with die-cast steel base plate