
Sinognss Comnav Gnss Rtk Receiver Millimeter-Level Laser GPS Mars PRO Laser Rtk. Millimeter-Level Precision: RTK horizontal accuracy of 8mm+1ppm and vertical 15mm+1ppm for high-precision surveying. Integrated Laser Tilt: Built-in laser with 10m range and 3-5mm accuracy, enabling tilt survey up to 60 degrees. Sunlight-Readable Display: Features an OLED color display for clear visibility and user-friendly operation in bright sunlight. Multi-Constellation Support: 1668 channels tracking GPS, BDS, GLONASS, Galileo, QZSS, IRNSS, and SBAS signals. Rugged IP67 Design: Aluminum-magnesium alloy housing, IP67 waterproof/dustproof, and survives 2m drops. Long Battery Life: Powered by 2x3400mAh Li-ion batteries providing up to 20 hours of continuous working time. Flexible Communication: Supports 4G/WIFI, Bluetooth 4.0, and adjustable RF datalink with range up to 15km.