Simcom SIM39EAR S2-105R7 GNSS模块，NEMA，PMTK，QZSS，SBAS，1.575 GHz，-165 dBm，31秒，2.8 V至4.3 V

Frequency Range: 1.563 to 1.587 GHz

No. of Channels: 88

Position Accuracy: 2.5m CEP

Working Frequency: 1.563GHz to 1.587GHz

Receiver Sensitivity: 165 dBm

Time to First Fix (TTFF): 31 s

Datasheet