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Trimble BX982


Dual-antenna GNSS module for precise
position and heading applications

Trimble BX982

The Trimble® BX982 GNSS receiver enclosure is a multi-channel, multi-frequency OEM GNSS receiver which allows OEM’s and System Integrators to rapidly integrate centimeter level positioning and precise heading into their application. The BX982 supports GPS L1/L2/L5, GLONASS L1/L2/L3, BeiDou B1, B2 and Galileo signals.

Test Driver
Trimble BX982

Key Features:

  • Easy to integrate rugged package
  • Two 220 channel Maxwell 6 chips for multi-constellation GNSS support
  • OmniSTAR VBS / XP / G2 / HP support
  • Dual antenna inputs for precise heading calculation
  • Centimeter level position accuracy
  • Convenience of Ethernet connectivity
  • Supports FDE and RAIM

Trimble BX982

BX982 GNSS rugged receiver enclosure

The Trimble® BX982 GNSS receiver enclosure is a multi-channel, multifrequency OEM GNSS receiver which allows OEM’s and System Integrators to rapidly integrate centimeter level positioning and precise heading into their application. The Trimble BX982 supports GPS L1/L2/L5, GLONASS L1/L2/L3 and BeiDou B1, B2 signals. In addition, Trimble is committed to the next generation of modernized GNSS configurations by providing GALILEO compatible products available for customers well in advance of GALILEO system becoming operational. In support of this, the Trimble BX982 is capable of tracking Galileo signals for evaluation and test purposes.2

Dual-antenna input

Single antenna GNSS systems have difficulty determining where the antenna is positioned relative to the vehicle and object of interest, especially when dynamics are low. External sensors can be used to augment this however these tend to drift when static. Heading derived from dual-antenna GNSS measurements overcomes these issues and is now economically the right choice. The BX982 harnesses the power of the 220 channel Trimble Maxwell 6 Technology with dual chips supporting two antennas connected to the board. Independent observations from both antennas are passed to the processor where multi-constellation RTK baselines are computed. A single connection to the BX982 via RS232, USB, Ethernet or CAN delivers both centimeter accurate positions and less than a tenth of a degree (2 meter baseline) heading accuracy.

Flexible interfacing

The Trimble BX982 was designed for easy integration and rugged dependability. Customers benefit from the Ethernet connectivity available on the board, allowing high speed data transfer and configuration via standard web browsers. Just like other Trimble embedded technologies; easy to use software commands simplify integration and reduce development times. All software features are password-upgradeable, allowing functionality to be upgraded as your requirements change.

High integrity

The BX982 supports Fault Detection and Exclusion (FDE) and Receiver Autonomous Integrity Monitoring (RAIM) for safety-critical applications.

Rugged receiver enclosure

The Trimble BX982 packages a single BD982 receiver module in a rugged enclosure. The unit comes in an environmentally sealed enclosure that is very easy to install. The BX982 is rigorously tested to perform in harsh environmental conditions with the reliability you expect from Trimble.

Trimble BX982


  • Position Antenna based on 220 Channel Maxwell 6 chip:
    • GPS: Simultaneous L1 C/A, L2E, L2C, L5
    • BeiDou B1, B2
    • GLONASS: Simultaneous L1 C/A, L2 C/A , L2 P, L3 CDMA13
    • Galileo: Simultaneous L1 BOC, E5A, E5B, E5AltBOC2
    • QZSS: L1 C/A, L1 SAIF, L2C, L5
    • SBAS: Simultaneous L1 C/A, L5
  • Vector Antenna based on second 220 Channel Maxwell 6 chip:
    • GPS: Simultaneous L1 C/A, L2E, L2C
    • GLONASS: Simultaneous L1 C/A, L2 C/A, L2 P
    • BeiDou: B1
  • Advanced Trimble Maxwell 6 Custom Survey GNSS Technology
  • High precision multiple correlator for GNSS pseudorange measurements
  • Unfiltered, unsmoothed pseudorange measurements data for low noise, low multipath error, low time domain correlation and high dynamic response
  • Very low noise GNSS carrier phase measurements with <1 mm precision in a 1 Hz bandwidth
  • 1 USB
  • 1 CAN port
  • 1 LAN Ethernet port :
    • Supports links to 10BaseT/100BaseT auto-negotiate networks
    • All functions are performed through a single IP address simultaneously—including web GUI access and raw data streaming
    • Network Protocols supported
      • HTTP (web GUI)
      • NTP Server
      • NMEA, GSOF, CMR over TCP/IP or UDP
      • NTripCaster, NTripServer, NTripClient
      • mDNS/uPnP Service discovery
      • Dynamic DNS
      • eMail alerts
      • Network link to Google Earth
      • Support for external modems via PPP
  • 3 x RS232 ports
    • Baud rates up to 460,800
  • 1 Hz, 2 Hz, 5 Hz, 10 Hz, 20 & 50 Hz positioning outputs (depends on installed option)
  • Up to 20 Hz raw measurement & position outputs
  • Reference outputs/inputs
    • CMR, CMR+, sCMRx, RTCM 2.1, 2.2, 2.3, 3.0, 3.112
  • Navigation outputs
  • Control Software: HTML web browser, Internet Explorer, Firefox, Safari, Opera, Google Chrome
  • 1 Pulse Per Second Output


  • Module Part Number : 85992-XX
  • Evaluation Kit : Trimble BX982 GNSS receiver enclosure available in a
    variety of configurations from L1 DGPS upwards


  • Time to First Fix (TTFF)7
    • Cold Start8 : <45 seconds
    • Warm Start9 : <30 seconds
    • Signal Re-acquisition : <2 seconds
  • Velocity Accuracy3 , 4
    • Horizontal : 0.007 m/sec
    • Vertical : 0.020 m/sec
  • Acceleration : 11g
  • Maximum Operating Limits10
    • Velocity : 515 m/sec
    • Altitude 18,000 m


Trimble BX982
  • RTK initialization time3 : typically <1 minute
  • RTK initialization reliability3 : >99.9%


Trimble BX982


  • Size : 261 mm x 140 mm x 55 mm
  • Power : 9 V DC to 28 V DC
    Maximum 4.1 W
  • Weight : 1.6 kg
  • Connectors
    • I/O : D-sub DE9 and DA26
    • Antenna : TNC (Female)
  • Antenna LNA Power Output
    • Voltage : 5 V DC


  • Temperature
    • Operating : –40 °C to +85 °C
    • Storage : –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
  • IP Rating : IP67

1Trimble BX982 is available in a variety of software configurations. Specifications shown reflect full capibility.
2Developed under a license of the European Union and the European Space Agency
3May be affected by atmospheric conditions, signal multipath, and satellite geometry. Initialization reliability is continuously monitored to ensure highest quality
41 sigma level, when using Trimble Zephyr 2 antennas.
5At maximum output rate
6GPS only and depends on SBAS System performance. FAA WAAS accuracy specifications are <5 m 3DRMS
7Typical observed values.
9Ephemerides and last used position known. 8No previous satellite (ephemerides / almanac) or position (approximate position or time) information
10As required by the U.S. Department of Commerce to comply with export licensing restrictions. 11Dependent on appropriate mounting/enclosure design. 12Input only network correction. 13There is no public GLONASS L3 CDMA ICD. The current capability in the receivers is based on publicly available information. As such, Trimble cannot guarantee that these receivers will be fully compatible.

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