IoT Products

Wlink M303 family industrial 3G cellular Modem with USB 2.0 interface is a device that provides SMS and dial-up function via 3G/4G Cellular networks catering for industrial applications. 
The modem supports up to 100Mbps DL and 50Mbps UL, can utilize the 4G/3G networks 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 applications.

Technical Specification

Industrial Class Design

  • High-powered Industrial cellular module provide strong anti-jamming ability

  • PCB comply to 3H and 3W

  • Wide range Voltage power supply

Flexibility and Convenience

  • Standard USB 2.0 interface for industrial PC or end USB device

  • Plug & Play solution for quick and easy integration , flexible and reliable

  • Power on/off controled by interface control line, easy for user device to control the operation of the modem

Stability and Reliability

  • 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

  • IP30 protection




Power Supply » DC Voltage Supply » 5-24V
Mechanics » Vibration » Shock Resistant
Environment » Temperature Range » Industrial (-25°C / +65°C)