Precis-BX316 GNSS RTK Board (GPS L1L2/GLONASS G1G2/Beidou B1B2 with Heading)

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Precis-BX316 is a GNSS RTK board for precision position and heading. It supports delivering multi-constellation RTK baselines between the two connected antennas and to a remote base station. This board offers real-time, cost-efficient centimeter-level positioning capability as well as flexible interfaces for a number of applications, such as precise navigation, precise agriculture, surveying, and UAVs.

Precis-BX316 be integrated to other host devices or used as an independent positioning system. It utilizes a standard serial port module for communication. A special connector makes it easy to integrate to its host devices or autopilots. The Precis-BX316 board supports multi-GNSS RTK positioning, which improves the continuity and reliability of RTK positioning.


  • Supports three constellations, six frequencies
    • GPS L1L2 heading mode
  • Supports 192 GNSS channels
  • Rapid RTK integer ambiguity resolution
  • Instant heading achieved by dual antenna single board
  • Up to 20 Hz position/velocity/time solutions
  • High integration SoC solution
  • Easily integrated to Pixhawk and other autopilots
  • Supports camera shutter synchronization
  • Serial ports with LVTTL
  • External antenna input through SMA connector
  • Data output: NMEA-0183
  • Correction: RTCM 2.X/3.2/CMR/CMR+
  • Supports logging of raw observation data
  • Compact design and low power consumption

Key Spec Comparison

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