
800 Channels Stonex S3a Tilt Surveygps Gnss Drone Receiver Base Station Rtk. Multi-Constellation Support: Supports GPS, GLONASS, Beidou, Galileo, QZSS, SBAS with 394 channels for high accuracy. IP67 Rugged Design: Dustproof and waterproof with IP67 certification, enduring 2m pole drops on concrete. Long Battery Life: 6800mAh lithium battery provides up to 10 hours of continuous working time. Integrated UHF Modem: Built-in UHF radio modem with 410-470MHz frequency, range up to 10km. Web UI Control: Manage settings, monitor status, and download data via smartphone or tablet using WiFi. High Precision RTK: Horizontal accuracy 8mm+1ppm, Vertical 15mm+1ppm RMS in Fixed RTK mode. Fast Initialization: Hot start typically under 15 seconds with initialization reliability over 99.9%. Customizable Options: Customization available from samples and designs to meet specific project needs.