GNSS RTK antenna TOPGNSS high-quality GPS GLONASS BEI DOU three system GPS antenna 38DB high-gain, high-precision positioning

Brand Name: TOPGNSS GPS type: Receiver & Antenna Model Name: BGL-4504-S Cable length: : 5m GNSS working mode:: GPS GLONASS BEI DOU Frequency Range : 1558MHz 1615MHz Unit Type: piece Package Siz...