GPS 771 Antenna SMA-Male Upgrade 38CM Whip Antenna Extended Long Range for Garmin GPS Alpha 100 200 Astro 220 320 430 Ham Radio

【Specification】Connector: SMA-Male; Gain : 3.5dBi ; V.S.W.R:less than 1.5 ; Impedance: 50 ohm ; Length: 38CM/15inch.

【Special】Our Antenna +Your Handheld GPS = A Match Made in Heaven. This extended range antenna can help you track your hunting dog, even in heavily covered areas.

【Boost signal】This antenna is made of high-quality materials, each one has been strictly tested by professional instruments, and has better signal, which can increase the communication reception distance of your Handheld GPS.

【Compatible models】Compatible With Track and Train Handheld GPS Garmin Alpha 100 200 200i Astro 220 320 430.

【Durable】The antenna is resistant to high temperature, cold and ice, and is not afraid of rain. Suitable for outdoor work.