* LCC Form Factor (40 pins)
* 尺寸:16 × 18 × 2.3mm
* Band support:NB-IoT B5,B8
* 3GPP R14
* 发射功率:NB-IoT: 23 ±2.7dBm
* 电源供电:2.2V -- 4.2V (推荐3.6V)
* PSM:700nA
* eDRX(2.56s):120uA
* NB-IoT
-- 最大上行速率 153 Kbps / 下行速率125 Kbps
* 工作温度: -30°C to +75°C
-- 扩展工作温度: -40°C to +85°C
* 存储温度: -40°C to +85°C
* 工作湿度: 5%~ 95%
* UART1
* UART2(For debug,2-wires)
* SIM interface (1.8/3.0V)
* eSIM
* RF PAD for Primary Antenna
* Reset & Power-on
* ADC
* LED
* GPIO
* WAKEUP_IN/WAKEUP_OUT
* TCP/UDP
* Embedded CoAP/OMA-LWM2M/MQTT
* China Mobile OneNET/China Telecom IOTT
*HTTP/HTTPS*
* FOTA*
* OpenCPU*
* GOSUNCN extended AT commands