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Trimble BD940 GNSS Receiver Board

Get reliable RTK AND RTX initializations for centimeter positioning with the Trimble BD940 supporting dual frequency from Galileo and BeiDou, as well as triple frequency from the GLONASS and GPS and constellations.



The Trimble BD940 GNSS receiver module is available in a wide variety of configurations, including a four constellation triple frequency RTK unit and an autonomous GPS L1 unit. Receiver Autonomous Integrity Monitoring (RAIM) and Fault Detection and Exclusion (FDE) are supported, making this device ideal for safety-critical applications.

The very small package provides centimeter accuracy, making the Trimble BD940 GNSS receiver module ideal for mobile platforms. Configured as a complete drop-in, solder-down module, the design protects the high quality GNSS signals from EMI sources of on the host platform. Radiated emissions are also significantly reduced, thus speeding up compliance certification and hence time to market.

The Trimble BD940 was designed with flexible interfacing in mind. With Ethernet connectivity available on the board, configuration via standard web browsers and high speed data transfer becomes a breeze. The board also has RS-232 and USB ports. Development times are reduced and integration simplified through easy to use software commands


  • Trimble Everest Plus multipath mitigation
  • 336 Tracking Channels
  • Proven low-elevation tracking technology
  • Advanced RF Spectrum Monitoring and Analysis

Technical Specifications

Tracking Channels
GPS: L1 C/A, L2E, L2C, L5
Galileo: E1, E5A, E5B, E5AltBOC
BeiDou: B1, B2
SBAS: L1 C/A, L5
MSS L-Band: OmniSTAR, Trimble RTX
Size: 51 mm x 41 mm x 7 mm
Weight: 27 grams
Supply Voltage: 3.3 V DC +5%/–3%
Power Consumption: Typical 1.7 W (L1/L2 GPS + L1/L2 GLONASS)
Typical 2.2 W (L1/L2/L5 GPS/GLONASS/BeiDou/Galileo)
Operating temperature: -40 °C to 85 °C
Storage Temperature: -55 °C to 85 °C
Vibration: MIL810F, tailored
Random 6.2 gRMS operating
Random 8 gRMS survival
Mechanical Shock: MIL810D
±40 g operating
±75 g survival
Operating Humidity: 5% to 95% R.H. non-condensing, at +60 °C


The Trimble BD940 GNSS receiver board 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.

  • Module part number 90940-XX
  • Available in a variety of configurations from L1 SBAS upwards
  • Evaluation kit includes interface board and power supply

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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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