1High Sensitivity: The Gps antenna has a 50 channel engine with over 1 million active correlators for fast and accurate positioning. 210M Cable: The 10 meter pure copper cable is longer than that of the ordinary Gps antenna, more convenient to use, and has low power consumption and better transmission effect. 3Strong Stability: The Gps antenna is waterproof, can withstand bad weather and severe working environment, and has along time stable work. 4Easy Installation: The antenna is compact, light weight and easy to install. Install it and finally plug in the power cord to use. 5Ship General: Suitable for all kinds of Marine navigators, you don't have to waste too much time in choosing, this antenna is the best choice.