The for expansion board with GNSS (Global Navigation Satellite System) function supports GPS, Beidou (BDS) and QZSS multiple satellite systems, and has the advantages of fast positioning, accurate positioning and low power consumption. with you, and your for be to easily achieve global positioning. Based on for 40PIN GPIO interface design, suitable for series motherboards, for Nano Supports GPS, Beidou (BDS) and QZSS multiple satellite systems Supports EASY self-generated orbit prediction function for fast positioning Supports AlwaysLocate function for intelligent control of periodic mode Supports DGPS, SBAS (WAAS/EGNOS/MSAS/GAGAN) Supports serial communication baud rate range: 4800-115200bps (default 9600bps) [GNSS parameters] Signal frequency band: GPS L1 (1575.42Mhz), BD2 B1 (1561.098MHz) Number of channels: 33 tracking channels, 99 acquisition channels and 210 channels C/A code SBA: WAAS, EGNOS, MSAS, GAGAN Horizontal positioning accuracy: Autonomous positioning: Less than 2.5mCEP Time to first fix @ -130dBm (EASY function turned on): Cold start: Less than 15s Warm start: Less than 5s Hot start: Less than 1s Sensitivity: Acquisition: -148dBm Tracking: -163dBm Recapture: -160dBm Dynamic performance: Altitude (max): 18000m Speed (max): 515m/s Acceleration (max): 4G [My other parameters] Communication interface:UART Serial port baud rate:4800-115200bps (default 9600bps) Update rate:1Hz (default), 10Hz (max) Communication protocol:NMEA 0183, PMTK Supply voltage: 5V/3.3V Operating current:13mA Operating temperature:-40-85 Color:As Shown Material:plastic Package Contents: 1 * expansion board 1set * accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.