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.
Industrial 1x Lan GPRS Router 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.