【High-Performance Design】 Equipped with a 15-inch length and a gain of 3.5dBi, this GPS antenna with SMA-Male connector offers a strong, steady signal ideal for outdoor adventures. Perfect for drivers engaged in hunting, camping, and long road trips 【Extended Range for Optimal Tracking】 Our 15-Inch Whip Antenna enhances your GPS signal range, helping track your devices even in dense areas and difficult terrains. Ideal for drivers on the go who need reliable signal reception 【Enhanced Signal Stability & Durability】 Crafted with durable materials to withstand extreme weather, this GPS tracking antenna ensures stable signal reception. Rigorously tested for longevity, it enhances your GPS tracking accuracy and range, supporting all-weather use 【Vibrant Color Options for Visibility】 Available in six eye-catching colors—orange, yellow, blue, green, red, and black—each designed for high visibility outdoors. Easily spot your device in any setting, whether it's on a campsite or in rugged terrain 【Wide Compatibility】 Compatible with Garmin handheld GPS models, for Alpha 100, 200, 200i, and for Astro 220, 320, 430. Connect effortlessly and enjoy optimized tracking on your next outdoor adventure