Amazon.com: GPS Antenna with Strong Magnetic Base, Waterproof Straight Male Head, Wide Coverage, Improve Signal Gain for Auto 4S Shop, Car Shop, Bus Stop Announcer, Driving School : Electronics
Amazon.com: POBADY Car GPS Antenna 1575.42MHz Fakra C Adapter Straight 28DBi with 3M GPS Fakra Antenna Magnetic Base for Car Vehicles GPS Navigation System GPS Receivers Car DVR : Electronics
High Sensitivity GPS Antenna with 50 ohm Impedance and Cable RG174 3 meter | eBay