Overview

ST-M31 NB-Iot remote module adopts the mainstream suppliers’ modules in the industry and belongs to the Cat NB1 network type. It can be used interchangeably with the same type of 2/3/4/5G module in the AMI system for remote meter reading. It has the advantages of high reliability, strong compatibility and flexible operation. The module has a standard SIM card holder with a flip-up cover, which is easy to plug and operate.

Technical Parameters

• Power：Max 200mA@12V

• Freqency Band：HD-FDD: B3/B5/B8/B20/B28

• AT Command set：3GPP Rel-13、Supplier extended AT instruction set

• MSN：TEXT/PDU Point to Point/Cell Broadcast

• Protocal：TCP/UDP/HTTP/HTTPS/FTP/LWM2M/MQTT/COAP

• Interface Type：UART

• Baud Rate：Self-adaption

• Antenna：50Ω

• Size (LxWxH)：100x57x26mm

• Operation temperature: -40℃ ~ +85℃