[Introduction]：TXGB-BLG-20 is a 1575MHz band FRP positioning antenna, supporting GNSS and Beidou positioning, antenna length is about 200mm, N-J interface (N male head). The antenna shell is made of glass fiber material, containing multiple groups of antenna vibrators, which has the advantages of high gain and long communication distance. The antenna is waterproof, sunscreen, wind proof, strong sealing, can be widely used in the wild and other bad environment places.