Geniwo Long Range 15 38cm Flexible Antenna for Handheld GPS Red

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(antenna) description:

this antenna increases the range you got.

it’s easy to install the flexible antenna just screw it by your hand, it comes with a direct sma connector for garmin astro and alpha.

best handheld antenna for garmin alpha 50, 100, garmin astro 320, 430 and 220 handhelds.

(antenna) features:

size: 38 cm

frequency: 136-174mhz

connects via standard sma connection direct plugging to your gps.