Signshine S3721 industrial 4x Lan GPRS Router, 3g router, 3g industrial router, wireless wifi 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.

Industrial 4x Lan GPRS WIFI Router adopts high-powered ARM9 processor and embedded with real time operating system as software support platform, allowing you to connect to your existing serial and Ethernet devices with only basic configuration.

This 4 Lan GPRS WIFI Router 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.

Industrial Design: Industrial high-powered cellular moduleIndustrial power adapter, wide voltage power supply design, power range DC7-32 V, reverse-voltage and overvoltage protectionHousing: iron, providing IP30 protection, special for outdoor harsh environmental application

Stability and Reliability: ARM9 industrial-grade high-speed CPUIntelligent anti-droppedSerial RS232 port: 15KV ESD protectionAll cellular modules are certified by CGD/CE/FCC certificateComplete TCP / IP protocol stack

High Performance: Support IPTABLES firewall, packet filteringSupport VPN tunnel, including PPTP, MPPE, L2TP, GRE and IPSECSupport DHCP / DHCPD functionalitySupport the APN / VPDN networkSupport WEB configuration save and restore to achieve the rapid deployment parameters backup and batch of equipmentSupport telnet management, user-friendly console shell interactive environmentSupport both LINUX and WINDOWS operating systems

Xiamen SignShine Information Technology Co.,Ltd. is a high-tech enterprise who focuses on the research, design, development and marketing of the advanced industrial grade wireless data transmission terminal related to M2M/SCADA, Internet of Things. As a manufacturer and supplier, SignShine provides innovative and market-oriented products, excellent services and practical solutions for our customers both at home and abroad.


SignShine’s products and solution have been proven by many world-class customers such as General Electric, Schneider Electric, Siemens, China State Grid and so on.

We strive for establishing long-term and mutual trust cooperation relationship with our suppliers, competitors and our partners, we firmly believe our innovative, reliable, high-performing products will create more values for you.


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