基本特性 GSM: 850/900/1800/1900MHz A-GPS/ GPS/BDS/GLONASS LCC+LGA: 18.7 x 16.0 x 2.25mm Operating temperature: -40℃ ~ +85℃ Storage Temperature: -45 ℃~ +90℃ Operating Voltage: 2.8V~3.6V, Typical 3.3V AT Command Set: FIBOCOM proprietary AT commands/GSM 07.05/GSM 07.07/GSM 07.10 TX Power: 850/900 MHz:33dBm±2dB 1800/1900 MHz:30dBm±2dB RX Sensitivity: 850/900MHz: -107.5 dBm 1800/1900MHz: -107.5 dBm 接口 SIM Card: 1.8V/3.0V x 1 UART x 4 ADC x 1 GPIO Antenna: GSM & GNSS 认证 CE-RED/RoHS SRRC/NAL/CCC 传输速率 Multi-slot class 12 GPRS: Max 85.6Kbps (DL)/85.6Kbps (UL) Coding Scheme CS1-CS4 功能 TCP/UDP/HTTP(S)/FFS/SSL/TLS/PPP/MQTT/ FTP/NTP/PPP/Cell ID/LBS GNSS ? DFOTA OpenCPU