* 44 Pin LCC+14 Pin LGA Form Factor
* 尺寸:17.7 × 15.8 × 2.2mm
* Band support:NB-IoT B3/B5/B8
* 3GPP R14
* 发射功率:NB-IoT: 23 ±2.7dBm
* 电源供电:2.2V -- 4.5V (推荐3.6V,C1C)
* PSM:800nA
* Single Toll (子载波 15KHz/3.75KHz)
-- DL 25.2Kbps / UL 16.7Kbps
* Multi Toll (子载波 15KHz)
-- DL 25.2Kbps / UL 62.5Kbps
* 3GPP R14
-- DL 127Kbps / UL 159Kbps
* 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%
* Main UART
* Debug UART
* SIM interface (1.8/3.0V)
* eSIM
* RF PAD for Primary Antenna
* Reset
* ADC
* GPIO
* SPI
* LED Indicator Interface
* TCP/UDP
* Embedded CoAP/OMA-LWM2M/MQTT
* China Mobile OneNET/China Telecom IOTT
* HTTP/HTTPS*
* FOTA*
* OpenCPU*
* GOSUNCN extended AT commands