The modem is a wireless terminal device that can convert serial data to IP data or converts IP data to serial data for transmission over a wireless communication network. Modem uses 2G and 3G networks for data transmission. The modem is widely used in many industries because of its convenience and flexibility.
Due to different manufacturers adopt different components and designs, the working temperature of each manufacturer’s modem is different. Generally, the working temperature of an ordinary modem ranges from 70 ℃ to -20 ℃.
What is the working temperature range of industrial modem and commercial modem? The working temperature of industrial modem ranges from -40 ° c to +85 ° c, while the working temperature of commercial modem ranges from 0 ° c to 70 ° c.
1. RS232 or RS485 port
2.SMS command, AT command
3. Support 2G/3G/4G LTE 4G LTE to Serial Modem
4. All-terminal installation, lightning protection, Power/interface high current protection, Over-current Protection of Power Supply