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Topcon B111 GNSS Receiver Board

The Topcon B111 GNSS receiver board is a compact, lightweight positioning engine offering 226 universal channels for reliable dual frequency tracking.



The B111 GNSS receiver board from Topcon is an ultra-compact receiver board that offers universal tracking. It provides reliable, dual-frequency signal tracking of GPS, GLONASS, BeiDou, Galileo, QZSS and SBAS.

The B111 is extremely flexible and easy to integrate into any precise positioning application. It is capable of providing scalable positioning from sub-meter DGPS positioning to sub-centimeter RTK positioning. The B111 features low power consumption, comprehensive communication interfaces and peripheral support design.


  • Compact dual frequency receiver
  • Low power consumption
  • 226 universal channels for reliable “all-in-view”, dual frequency tracking
  • High performance RTK engine with 100 Hz position update rate
  • Diverse set of interfaces available through a single connector
  • SD card interface support
  • Quartz Lock Loop (QLL) for continuous operation under intense vibration and shock
  • Scalable performance via software option authorization (OAF)

Technical Specifications

Channels: 226 Universal Tracking Channels
GPS: L1, L2, L2C
BeiDou: B1, B2
Galileo: E1
Velocity: 0.02 m/seconds
Time: 30 nsec
Hot Start: < 10 sec
Warm Start: < 35 sec
Cold Start: < 60 sec
Reacquisition: < 1 sec
Size: 40 mm x 55 mm x 10 mm
Weight: < 20 g
Operating Temperature: -40 °C to 85 °C
Storage Temperature: -40 °C to 85 °C
Humidity: 95%, non-condensing
Vibration Rating: 4g Sine Vibe (SAEJ1211)
7.7g Random Vibe (MIL-STD 810F)
Shock / Crash Safety 30 g (IEC 68-2-27)
Acceleration: 40 g
Input Voltage Range: +3.4 to +4.5 VDC
Power Consumption: 1.3 W typical


The B111 GNSS receiver board from Topcon 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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