GPS Antenna with BNC Male Connector for Garmin StreetPilot III GPSMAP 276C 376C 498C Replacement Accessories|Communications Antennas| - AliExpress
Buy DHT Electronics External GPS Antenna with BNC Male for Garmin StreetPilot III, GPS V III Sounder GPSMap 178C 188 276C 298c 398c 498c iCOM 270ML 370ML Online in Finland. B00D1G4BYG