Compact Low Profile External MCX GPS Antenna for Garmin StreetPilot 2720, 2620 ,C330, C340, 60CS, Quest, iiQueM5, iQueM3 (16ft) with Straight Antenna Connector Comparable to Garmin GA 27C low-profile remote automobile antenna, Garmin part #010-10052-05 Fully compatible with Garmin GPS receivers with MCX antenna connectors Nuvi , Zumo, StreetPilot C series, I series, Zumo Amplified (active) GPS antenna to enhance and improve GPS signal reception. Built-in magnets for mounting on car rooftops or other metallic surfaces RF circuit breaker to prevent damage to your GPS receiver