features: 1. Support GPS, BDS, GLONASS and QZSS multiple satellite systems. 2. in low noise amplifier (LNA) to sensitivity. 3. in SAW Filter to enhance noise cancellation performance 4. Support AGNSS function. 5. Support 1PPS function 6. Support serial port communication baud rate range: 4800~115200 (9600 by default) 7. On board rechargeable lithium battery MS621FE, used for saving ephemeris data and hot after failure 8. Two LED indicators on board for easy viewing of module operation status Description: This product is a GNSS (Global Navigation Satellite System) module, which supports GPS, BDS, GLONASS and QZSS multiple satellite systems, multi system joint positioning and single system positioning, AGNSS function, -in low-noise amplifier and acoustic surface filter, and GNSS module can users with fast, and high-performance positioning experience. Specifications: Product : L76K GNSS:GPS/GLONASS/BDS/QZSS Chip : AT6558R L1 receiver type (number of channels): 32 tracking/72 acquisition L1 receiver type SBAS: not supported A-GNSS: Support Sensitivity (automatic capture): - 148dBm Sensitivity (recapture): - 160dBm Sensitivity (tracking): - 162dBm TTFF cold : 30s, Autonomous, 5.5s, With AGNSS TTFF (first positioning time) hot : 2s Position accuracy: 2.0m Speed accuracy: 0.1m/s Acceleration accuracy (Max): 0.1m/s Timing accuracy: 30ns rate (Max): 5Hz Default baud rate: 9600bps Product size: 32.5 x 25.5mm color: blue Material: PCB+Metal Package Contents: 1 x L76K GPS Module 1 x PH2.0 5PIN connecting cable Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.