Signshine S3721 Industrial 4X LAN GPRS Router, wireless cellular router, 3g/4g router

Signshine S3721 industrial 4x Lan GPRS Router is a wireless cellular router by using GPRS network with industrial grade design and Four Ethernet port and RS232.

It adopts high-powered ARM9 processor and embedded with real time operating system as software support platform, conveniently and transparently connects one device to a cellular network, allowing you to connect to your existing serial and Ethernet devices with only basic configuration.

This product has been widely used in M2M/SCADA field, such as power automation, transportation, financial service terminal, factory automation, water, oil&gas, large machine maintenance, environment, building automation, outdoor digital signage ect.

Signshine also provides professional sevice solutions for anyone in need for the industrial wireless coommunications equipment. If any questions, please feel free to contact Annie at or browse the site and