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Topcon MR-2 Modular GNSS Receiver

The Topcon MR-2 modular GNSS receiver combines full constellation tracking with advanced Heading capabilities and a comprehensive set of communication interfaces.



The MR-2 modular GNSS receiver from Topcon offers simultaneous RTK positioning and heading determinations for superior accuracy. It is able to track all present and upcoming GNSS constellations and satellite signals including GPS, GLONASS, Galileo and BeiDou.

With 8 GB of internal storage and enhanced connection options, the MR-2 is a versatile GNSS receiver suitable for any OEM application. Its weatherproof design allows the MR-2 to withstand even the most harsh environments.


  • 226 Universal Channel Vanguard Technology
  • Simultaneous RTK positioning and heading determination
  • Serial, USB, CAN and Ethernet connectivity
  • 8 GB internal memory

Technical Specification

Channels: 226 channels with universal tracking
Antenna Type: External dual antenna input for heading determination though Topcon HD2 technology
GPS: L1 C/A, L1C, L1P(Y), L2P(Y), L2C, L5
GLONASS: L1 C/A, L1P, L2 C/A, L2P, L3C
Galileo: E1, E5a, E5b, E5AltBoc
BeiDou: B1, B2
SBAS Corrections: WAAS
Internal Memory: Up to 8 GB for each B125 board
Update/Output Rate: Up to 100 Hz (20 Hz standard, no interpolation)
Heading Determination: Yes
Size: 172 mm (W) x 166 mm (D) x 49 mm (H)
Weight: 0.95 kg
Operating Temperature: -40 °C to 75 °C
Storage Temperature: -50 °C to 85 °C
Humidity: 100% condensing per Msp-PDA-012 class B, ref MRII-143
Waterproof Rating: IPX7 (1-meter submersion)
Dust Rating: IP6X (fully dust proof)
Power Consumption: 10 watts @ 9-36 VDC
Input Voltage: 9 to 36 VDC. Reverse Polarity Protected


The MR-2 modular GNSS receiver 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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