This mini GPS active antenna is designed for car navigation systems, providing a strong and stable signal. It features a compact construction, low profile, and is fully waterproof. The antenna has a center frequency of 1575.42MHz and a gain of over 3dBic. It is compatible with a variety of GPS devices and is easy to install with its magnetic base and BNC male connector. The antenna is suitable for use in various applications, including automobile GPS, Bluetooth receivers, and car tracking navigation systems.