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Stonex S850ANew GNSS Receiver

The Stonex S850ANew GNSS receiver has reached End of Life (EOL). Stonex recommends the Stonex S850+ GNSS receiver as a suitable replacement.



The Stonex S850ANew GNSS receiver is a compact, high-performance receiver equipped with an advanced 800-channel, GNSS board and supports multiple satellite constellations, including GPS, GLONASS, BeiDou, Galileo, QZSS, IRNSS and L-Band correction.

The advanced receiver design gives the S850ANew excellent signal tracking ability and interference resistant capacity. It’s lightweight, portable design make the S850ANew GNSS receiver an excellent choice for fieldwork in areas with complex terrain.

The Stonex S850ANew has integrated Bluetooth, internal Wi-Fi functionality, a built-in dual-frequency UHF radio (410-470 MHz and 902.4-928 MHz) and a 4G GSM modem that can be used anywhere in the world.

The Stonex S850ANew also features the new IMU system that allows tilted measurement (TILT) up to 60°, quick initialization and fast/precise survey.


  • 800 channels GNSS board capable of supporting multiple satellite constellations
  • PPP service with L-band correction
  • aRTK functionality
  • Integrated UHF double frequency radio (410-470MHz and 902.4-928MHz)
  • 4G LTE and Bluetooth / WLAN datalink support
  • New IMU system that allows tilted measurements
  • Rugged magnesium housing
  • Easy configuration from Web UI

Technical Specifications

Board: Hemisphere Phantom 20
Channels: 800
GPS: L1 C/A, L1C, L1P, L2C, L2P, L5
GLONASS: L1 C/A, L1P, L2 C/A, L2P, L3
Galileo: E1, E5a, E5b, ALTBOC, E6
BeiDou: B1, B2, B3, ACEBOC
QZSS: L1 C/A, L1C, L2C, L5, L6
SBAS: L1, L5
L-Band: Atlas Basic/H10/H30
Update Rate: 10Hz, 20Hz (optional)
Operating System: Linux
Memory: 8 GB
Static Survey: 2.5 mm + 1 ppm RMS (Horizontal)
5.0 mm + 1 ppm RMS (Vertical)
RTK (< 30 Km): 8 mm + 1 ppm (Horizontal)
15 mm + 1 ppm RMS (Vertical)
Code Differential: < 0.5 m RMS Horizontal)
< 1.0 m RMS (Vertical)
SBAS Accuracy: < 0.6 m (Horizontal)
< 1.2 m (Vertical)
Internal UHF Radio
Model: TRM121
Type: Tx – Rx
Frequency Range: 410 – 470 MHz
902.4 – 928 MHz
Channel Spacing: 12.5 KHz / 25 KHz
Transmission Power: 1 watt
Maximum Range: 3-4 Km in urban environment
Up to 10 Km with optimal conditions
Size: 140 mm x 140 mm x 71 mm
Weight: 1.10 kg
Operating Temperature: -40 °C to +65 °C
Storage Temperature: -40 °C to +80 °C
Waterproof/Dustproof: IP67
Shock Resistance: Designed to endure a 2 m pole drop onto a concrete floor with no damage
Vibration: Vibration resistant
Power Supply
Battery: Rechargeable 7.2 V – 6.900 mAh
Voltage: 9 to 28 V DC external power input with over-voltage protection (5 pins Lemo)
Working Time: Up to 10 hours
Charge Time: Typically 4 hours


  • B10+160202 – S850A GNSS, 800Ch, 4G, WiFi, BT – Italy – Bundle
  • B10+150202 – S850A GNSS, 800Ch, 4G, WiFi, BT – Bundle
  • B10+150202 – S850A GNSS, 700Ch, 4G, WiFi, BT, E-Bubble – Bundle


The S850ANew GNSS receiver from Stonex is available through TerrisGPS. If you would like more information about this product, please feel free to get in touch with us by completing the Request Pricing form.

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Client Testimonials

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"Thank you for your prompt service. All seems to be working well again. Your techs were very helpful with the troubleshooting."
J.O. - Ground Navigation
"Thanks for all the troubleshooting help, also to John for his assistance and the prompt answers from you guys!"
F.A. - Survey Industry

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