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Stonex S9III Plus Survey GNSS Receiver

The Stonex S9III Plus survey GNSS receiver is a reliable receiver featuring a multi-constellation antenna. It has an integrated UHF radiomodem, with selectable frequencies and output power. The S9III Plus is the perfect tool for a Base + Rover system and is IP67 certified.



The S9III Plus survey GNSS receiver is the result of the continuous evolution of the Stonex line of GPS integrated receivers. It can work as Base (transmitting to one or more Rovers) and as GPS network Rover. The S9II Plus features a new, high accuracy multi constellation antenna, a powerful UHF transmitter and the GSM 3G WCDMA modem.

The Bluetooth device, makes it a fast and a completely cable free one-man system for every kind of topographic job. The S9III Plus offers an extremely short initialization that saves users time. When a GPS signal is lost, its advanced technology also reduces the re-initialization time.

The S9III Plus guarantees operation in even the harshest environment due to its weatherproof, high shock resistant and IP67 certified design. It survives even after a 2 m drop on a hard surface.


  • Integrated UHF radiomodem and 3G GSM modem
  • An embedded 220 channels GNSS board
  • Compatible with several GPSs including Satel and TRIMTALK 450S
  • Waterproof/Dustproof with IP67 Rating

Technical Specifications

Channels: 220
GPS: Simultaneous L1 C/A, L2E, L2C, L5
GLONASS: Simultaneous L1 C/A, L1P, L2 C/A (GLONASS M Only), L2P, L3 (option)
SBAS: Simultaneous L1 C/A, L5
Galileo (reserved): Simultaneous L1 BOC, E5A, E5B, ESAltBOC1
COMPASS: B1 (QPSK), B1-MBOC (6,1,1/11), B1-2 (QPSK), B2 (QPSK), B2-BOC (10,5), B3 (QPSK), B3BOC (15,2,5), L5 (QPSK)
QZSS: L1 C/A, L1 SAIF, L2C, L5 (option)
Position Rate: Up to 20 Hz (50 Hz optional)
Signal Reacquisition: < 1 sec
RTK Signal Initiation: Typically < 10s
Hot Start: Typically < 15s
Initiation Reliability: >99.9 %
Internal Memory: 4 GB
Battery: 7.2 V-2500 mAh
High capacity lithium battery
Voltage: 9 to 15 V DC external power input with over-voltage protection
Working Time: 7 hours (Static Mode)
6.5 hours (GSM RTK)
Charge Time: Typically 5 hours
Power Consumption: < 3.8 W
Weight: 1.2 Kg with internal battery, radio standard UHF antenna
Operating Temperature: -40 °C to 65 °C (internal radio TX 50 °C)
Storage Temperature: -40 °C to 80 °C
Waterproof/Dustproof: IP67. Protected from temporary immersion to depth of 1 meter and from 100 % humidity
Shock Resistance: Designed to survive to a 2 meter pole drop on concrete


The S9III Plus survey GNSS receiver from Stonex is available through TerrisGPS. If you would like more information regarding this product, 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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