M303 4G/3G USB Modem

M303 family industrial 3G/4G cellular Modem with USB interface is the modem that provides SMS and dial-up function by 2G/3G/4G Cellular network cater for industrial application requirement.

Datasheet
Application
Firmware

Features

Industrial Class Design

    • High-powered Industrial cellular module provide the strong anti-jamming ability
    • PCB comply to 3H and 3W
    • Wide range Voltage power supply

Flexibility and Convenience

    • Support standard USB 2.0 interface that can plug into industrial PC or end USB device
    • Plug & Play solution for quick and easy integration , flexible and reliable
    • Control the power on/off by interface control line, easy for user device to control the operation of the modem

Stability and Reliability

    • The modem support serial I/O hardware reset to ensure always online
    • Link detection and watch-dog design, support WDT to ensure always online transmission
    • UIM/SIM SIM card ESD Protection: 1.8V/3V Standard
    • USB 2.0 Interface ESD protection
    • Robust Metal Case and anti-lightning protection
    • Provide IP30 protection