基本特性 LTE FDD: Band 1/3/5/8LTE TDD: Band 34/38/39/40/41  GSM: 900/1800MHz LCC 16 × 18 × 2.3mm Operating Temperature: -40℃~+85℃ Storage Temperature: -40℃~+85℃  Operating Voltage: 3.3V~4.3V typical 3.8V AT Command Set: 3GPP TS 27.007 and 27.005, and  proprietary FIBOCOM AT commands  TX Power GSM900: 32.5 dBm±1dB DCS1800: 29.5dBm±1dB LTE FDD: 23.0dBm±1dB LTE TDD: 23.0dBm±1dB接口 SIM Card: 1.8V/3.0V USB 2.0 UART I2C  PCM/I2S**ADC SDIO**SPI**  GPIO Antenna: Main认证CCC*/SRRC*/NAL*/CE*/RoHS*传输速率 LTE FDD: 10Mbps DL/5Mbps ULLTE TDD: 10Mbps DL/5Mbps ULGPRS: 107Kbps DL/85.6Kbps UL功能 MUX: Basic Mode SMS: MO/MT Text and PDU modes HTTP(S)/FTP(S)/TCP(S)/UDP/*4/*6/MQTTECM/RNDIS/PPP DFOTA/FOAT