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Trimble BD982


Produit en fin de vie.

Modèle actuel : BD992 ou BD992-INS

Dual-antenna receiver delivers centimeter
accurate positions and precise heading

Trimble BD982

The Trimble BD982 GNSS system is a single board solution for precise position and heading. The product delivers the latest in GNSS signal support delivering multi-constellation RTK baselines between the two connected antennas and to a remote base station. The BD982 comes with dual chips that support two antennas connected to the board. Independent observations from both antennas are passed to the processor where multi-constellation RTK baselines are computed.

Test Driver
Trimble BD982

Key Features:

  • Dual-antenna inputs for precise heading calculation
  • Multi-Constellation GNSS Support
  • OmniSTAR VBS/XP/G2/HP support
  • Flexible RS232, USB, Ethernet or CAN Interfacing
  • Centimeter level position accuracy

Trimble BD982

Guidance and control positioing

The Trimble® BD982 GNSS system is a single board solution for precise position and heading. The product delivers the latest in GNSS signal support delivering multiconstellation RTK baselines between the two connected antennas and to a remote base station. With the Trimble BD982, OEM’s and integrators can be assured their investment is sound today and into the future. The Trimble BD982 GNSS 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 confi gurations by providing Galileo and BeiDou compatible products available for customers well in advance of these systems becoming operational. In support of this plan, the Trimble BD982 is capable of tracking Galileo signals for evaluation and test purposes.2 With the option of utilizing OmniSTAR VBS, XP, G2 and HP services, the BD982 delivers varying levels of GNSS performance right down to the sub-decimeter level, even without the use of a base station.

Dual-antenna input

Single antenna GNSS systems have diffi culty 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 BD982 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 board 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 BD982 was designed for easy integration and rugged dependability. Customers benefi t from the Ethernet connectivity available on the board, allowing high speed data transfer and confi guration 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.

Compact Design

The compact form factor is suitable for applications where lightweight is a necessity. The BD982 is rigorously tested to perform in the harsh environments your products are built for, with the reliability you expect from Trimble.


  • 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
  • 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
  • Signal-to-Noise ratios reported in dB-Hz
  • Proven Trimble low elevation tracking technology
    • Initialization time2 : typically <10 seconds
    • Initialization reliability2 : typically >99.9%
  • 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
  • 4 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
  • Event Marker Input Support
  • LED drive support : 3 (indicating Power, Satellite Tracking, and Differential Data)


  • Module Part Number : 77911-XX
  • Module : Trimble BD982 GNSS available in a variety of
    configurations from L1 SBAS upwards
  • Evaluation Kit : Includes interface board and power supply


  • 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 BD982
  • RTK initialization time3 : typically <1 minute
  • RTK initialization reliability3 : >99.9%


Trimble BD982


  • Size : 100 mm X 84.9 mm X 11.6 mm
  • Power : 3.3 V DC +5%/–3%
    Typical 2.1 W (L1/L2 GPS)
    Typical 2.3 W (L1/L2 GPS and G1/G2 GLONASS)
  • Weight : 62 grams
  • Connectors
    • I/O : 40-pin header
    • Antenna : 2 x MMCX receptacle


  • 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

1Trimble BD982 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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