Stonex S900+ Base & Rover GPS Receiver Set

• Channels: 1,408
• Constellations: GPS, GLONASS, BEIDOU, GALILEO, QZSS, IRNSS, SBAS
• Update Rate: Up to 20 Hz
• RTK Initialization: 2–4 sec, >99.9% reliability
• Accuracy (RTK): Horizontal: 5 mm + 0.5 ppm; Vertical: 10 mm + 0.5 ppm
• Accuracy (Static): Horizontal: 2.5 mm + 0.1 ppm; Vertical: 3.5 mm + 0.4 ppm
• IMU Tilt Compensation: Up to 60°; 2 cm @ 30°, 5 cm @ 60°
• Radio: UHF TX/RX 410–470 MHz, up to 10 km
• Modem: 4G GSM worldwide
• Connectivity: Bluetooth 2.1+EDR, Wi-Fi 802.11 a/b/g/n/ac
• Internal Memory: 8 GB; microSD up to 32 GB
• Durability: IP67/IP68, MIL-STD-810F/H, withstands 2 m pole drop
• Power Source: Dual hot-swappable smart lithium, 7.2 V – 3400 mAh
• Operating Hours: Up to 12 hrs
• Operating Temperature: -22°F to +149°F (-30°C to +65°C)
• Weight: 2.86 lbs.

The Stonex S900+ GNSS receiver is a high-performance solution designed for precise surveying and construction applications. Powered by a 1,408-channel GNSS board, the S900+ tracks GPS, GLONASS, BEIDOU, GALILEO, and QZSS signals for reliable RTK positioning, even in challenging conditions. With an integrated 4G modem, Bluetooth, Wi-Fi, and UHF radio, the S900+ offers flexible base and rover configurations. Its IP67/MIL-STD-810F protection withstands pole drops, water, dust, and extreme temperatures, ensuring maximum durability in the field.

This bundle includes the S900+ receiver with IMU tilt compensation and UHF TX/RX radio firmware activated, plus a dedicated UHF antenna (410–470 MHz). IMU technology provides tilt compensation up to 60° with 2 cm accuracy at 30° tilt and 5 cm at 60°, while the UHF system extends communication up to 10 km under optimal conditions. Dual hot-swappable smart batteries provide up to 12 hours of runtime.

• (2)x S900+ GNSS receiver
• Adapter for battery charger
• Li-Ion battery 7.4V - 3400 mAh (S9i, S4IIC/H, S40)
• Charger for battery BP 5S
• Multi-port link cable between receiver and PC or controller  [USB or 7-pins lemo for PC or controller, 7-pins lemo for receiver]
• 3m Measuring tape (MT-300)
• Carrying case for S900 (CC-900)
• (2)x 29cm UHF antenna, 450MHz-470MHz, TNC (AR-430)
• (2)x Stonex S900+ IMU firmware activation
• (2)x Stonex S900+ UHF firmware activation