Industrial 4x Lan GPRS WIFI Router/3g wireless router/hsupa router/gsm gateway

Visibility: Open to anyone

Signshine S3921 industrial 4x Lan GPRS WIFI Router is a wireless cellular router by

using GPRS network with industrial grade design and Four Ethernet port and

RS232 or RS485/RS422.

Industrail GPRS WIFI 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.

This GPRS VPN 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 embedded 32 bits CPU,320MHz;
with 16KB Dcache, high-speed cache data, speed up data access speed with
16KB Icache, high-speed instruction cache, enhanced instruction processing speed.
※Industrial high-powered cellular module
※Real time OS Linux 6.2,with MMU and completely full TCP/IP protocol
※Strengthened PCB which follows the principle of 20H and
3W, and adopts health benefits material to ensure the product stability
※Industrial grade rigorous screened components
※Industrial power adapter, wide voltage power supply design,
power range DC7-32 V, reverse-voltage and overvoltage protection
※Ethernet port: 1.5KV magnetic isolation protection
※Housing: iron, providing IP30 protection, radiation protection,
anti-interference, lightning protection design, special for outdoor harsh environmental application
Stability and Reliability
※Online maintenance patents: Intelligent anti-dropped, online
test, online maintenance, Automatically restart to ensure that
equipment is always online
※Three-tier system protection, based on the system protection
of software protection and WDT, It supports VWM (Virtual Man Watch)function
※High speed& integrated chip, embedded WIFI, Support WIFI AP
※SIM/UIM port: 1.8V/3V/5V standard putter user card interface 15KV ESD protection
※Serial RS232 port: 15KV ESD protection
※All cellular modules are certified by CGD/CE/FCC certificate
※High-speed processing CPU: ARM9 industrial-grade high-speed CPU, can higher speed
handle a variety of protocol data transfer; solve the "fake online", "fake death", "crash" and
other difficult problems.
※Large memory: FLASH64Mbits, SDRAM, 256Mbits, a large memory to cache data sent by
customer, meanwhile receiving large packets, no data lose.
※Complete protocol stack: the system loaded complete TCP / IP protocol stack, using
comprehensive TCP / IP protocol stack; so that network traffic performance shows outstanding,
the drop-line probability dramatically reduced
※EMC performance outstanding: passed 3000V electrical shock test, especially suitable for use
under harsh industrial environments; system EMC / EMI performs excellent, system stable and
reliable; passed EMC test;

High Performance
※Support WIFI(802.11 a/b/g/n) and GPRS network
※Support double link backup between GPRS and WAN(PPPOE, ADSL) (optional)
※Support wireless video monitoring and dynamic image transmission
※Supports Ethernet data communication and packet forwarding, also supports serial port
TCP / UDP transparent data transmission or serial configuration
※Support VPN tunnel, including PPTP, MPPE, L2TP, GRE and IPSEC
※Intelligent anti-dropped, support online testing, online maintenance, automatic redial, router is always on-line
※Support IPTABLES firewall, packet filtering
※support Regular on-line offline functionality, can set the device on-line and offline in a certain period of time
※Support a variety of trigger and offline modes, including text
messages, phone ringing, serial port data, network data trigger and offline mode
※Support dynamic routing and static routing, RIPv1, RIPv2,
※Support multiple protocols: TCP / IP, UDP, ICMP, SMTP, HTTP, POP3, OICQ, TELNET, FTP, etc.
※Support DHCP / DHCPD functionality
※Supports NAT port mapping function, such as SNAT, DNAT
※Support DDNS(Dynamic Domain Name Server): support ORAY, 88IP, and DYNDNS domain
name service provider
※Support DMZ
※Support the APN / VPDN network
※Convenient WEB configuration, Remote WEB Management
※Support WEB configuration save and restore to achieve the
rapid deployment parameters backup and batch of equipment
※Support telnet management, user-friendly console shell
interactive environment
※Support multiple terminals sharing router ppp wan
※Support multiple wireless dial-up mode: automatically
assigned, specify the IP, specify local and remote IP
※Support both LINUX and WINDOWS operating systems
※Support as a PPP server, multiple authentication methods,
※support mutual authentication
※Easy to use COM and SYSLOG System diagnostics, debugging
※Support Serial port local software upgrades
※Supports TFTP remote software upgrade
※Support real-time clock


Typical Application


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