Signshine S3521 industrial 1x Lan GPRS Router is a wireless cellular router by using GPRS network with industrial grade design and one 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.