Garmin External GPS/Iridium Antenna with Adapter Cable for Montana 7xx Series (010-12881-06) 4 to 8 Tone correction: yes (dedicated button)

Tone correction: yes (dedicated button)

Easy Pairing: Yes

canoeing and kayaking

GPSMAP 10" Chartplotters

air compressors or virtually anything that can run with 12-volt power

Garmin External GPS/Iridium Antenna with Adapter Cable for Montana 7xx Series (010-12881-06) 4 to 8 Tone correction: yes (dedicated button)Use our external passive antenna extension cable when you want to install an external GPS Iridium antenna. Can be used on the exteriors of vehicles or buildings as antenna is magnetic. Antenna cable is 1. 5 meters (4. 9 ft) long; dongle, or adapter cable, is about 0. 2 meters (8 in). Compatible Devices: Montana 7xx Series