High Gain Long Range Magnetic Base Replacement Antenna Compatible with Garmin GPS Alpha 100 200 200i Astro 220 320 430, Eifagur

["Gain: 5dBi；Direction: Omni-directional；V.S.W.R: ＜1.5 ; Impendance: 50Ω；Feature: Magnetic Base Mounting；Antenna Connector：SMA Male Right Angle；Antenna Height：38.5 cm/15.1 inch; Cable Length：3M/10Feet RG58 Cable;","Compatible with: Track and Train Handheld GPS Garmin Alpha 100 200 200i Astro 220 320 430","Package List：1 x Antenna kit（As the Picture Shown）;","This Powerful Magnetic-Mount Antenna Connects to Alpha, Astro , magnetically mounts to vehicle and allow users to track their dogs while driving. By installing the antenna on a metallic surface you will gain better reception and therefore you will be able to track of your dog farther.","Don't worry about any problems, we have carefully checked each product, we are willing to provide 30 days free replacement and Free return,100% Satisfaction Guarantee."]