M303 Industrial USB Cellular Modem

Featured Product from Shenzhen Wlink Technology Co., Limited


Wlink M303 family industrial 3G cellular Modem with USB 2.0 interface is the model that provides SMS and dial-up function by 3G/4G Cellular network cater for industrial application requirement. 
The modem which supports up to 100Mbps downlink speed and 50Mbps uplink speed service can utilize the 4G/3G network for convenient and inexpensive data transfer from remote instruments, meters, computers or control systems in packet data. Due to the performance industrial module, robust metal case and a wide operating temperature range, this model is well suitable for industrial application.

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