M5Stack M031-D 셀룰러 모듈 스택형 2G 통신 모듈, SIM800C 통신 모듈 포함

Frequency: 850 MHz, 900 MHz, 1.8 GHz, 1.9 GHz

Dimensions: 54 mm x 54 mm x 13.2 mm

Unit Weight: 75 g

Interface Type: UART

Supply Voltage - Max: 4.4 V

Supply Voltage - Min: 3.4 V

Antenna Connector Type: SMA

Operating Supply Voltage: 3.4 V to 4.4 V

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C