4G Router

GP-R520 Two port 4G wireless router

GP-R520 series 3G / 4G wireless router is a kind of Internet of things wireless communication router. It supports fdd-lte, tdd-lte, WCDMA (HSPA +), CDMA2000 (EVDO), TD-SCDMA 3G / 4G mobile broadband n

  • Model: GP-R520

GP-R520 series 3G / 4G wireless router is a kind of Internet of things wireless communication router. It supports fdd-lte, tdd-lte, WCDMA (HSPA +), CDMA2000 (EVDO), TD-SCDMA 3G / 4G mobile broadband network system, providing users with convenient and fast high-speed network transmission function. This series of products adopts high-performance 32-bit professional network communication processor, and takes embedded real-time operating system as software support platform to provide users with safe, high-speed, stable and reliable 3G / 4G wireless routing network, and supports two Ethernet RJ45 interfaces and communication serial ports.

This series of products can be widely used in finance, post, smart grid, charging pile, self-service equipment, intelligent transportation, environmental monitoring, fire monitoring, security monitoring, water conservancy monitoring, public safety, advertising, industrial control, earthquake monitoring, meteorological monitoring, instrument monitoring and other industries.

High performance industrial 32-bit processor

The software and hardware watchdog and multi-level link detection mechanism are adopted to ensure the stability of the equipment

Multiple device self-test mechanism to ensure smooth link and alarm

ESD protection of each interface to prevent electrostatic impact

Network characteristics

Support port traffic detection

Support link real-time monitoring

Support multiple VPN protocols (PPTP, L2TP, IPSec, VPN)

Support serial port simple DTU function

Support on-demand dialing (voice, SMS or data trigger)

Support UPnP

Downward compatible with GPRS, WCDMA, edge network

Support 1 x LAN, provide standard RS-232 / RS-485 serial port, support serial port DTU (data transmission terminal) function

It supports hardware WDT and provides anti dropping mechanism to ensure the data terminal is always online

Support PPTP, L2TP, GRE VPN protocols

Support DHCP, DDNS, firewall, NAT, and DMZ host functions

Support ICMP, TCP, UDP, Telnet, FTP, HTTP, HTTPS and other network protocols

Support wired and wireless network backup for each other

Design of standard industrial plug in SIM / UIM card

Hardware performance
CPU High performance high pass processing chip
4G band



HSPA(850/900/1900/2100MHz)/ GSM850/900/ 1800/1900MHz EV-DO(800MHz)


Theoretical bandwidth




Transmitting power23dBm+/-1dB@25℃ 
Receiving sensitivity


software function
Working mode

Wired / wireless / compatible


AP mode, client mode

routeSupport PPPoE / static IP / dynamic IP

Serial port

Support DTU transmission mode

Support tcpserve / tcpclient

UDP support

Support Modbus Protocol

VPNSupport PPTP, L2TP, IPSec and other protocols

device management

Local configuration, remote cloud configuration

Interface and power supply
communication interfaceSupport RS232 / 485 communication
WAN1 WAN port, adaptive MDI / mdix, built-in electromagnetic isolation protection
LAN1 LAN port, adaptive MDI / mdix, built-in electromagnetic isolation protection
indicator lightWith "PWR", "Wan", "Lan", "net" four indicators
Antenna interface1 standard SMA antenna interface (3G / 4G), characteristic impedance 50 Ω; 1 Aux / GPS reserved antenna interface
SIM/UIM Interface3V / SIM card with 3V interface and automatic detection

By pressing this key for 10 seconds, the parameter configuration of the device can be restored to the factory value

power supply

DC power supply

Supply voltage

DC5V ~ DC36V (standard configuration DC12V / 1.5A), built-in power instantaneous overvoltage protection

Environmental and physical performance
working temperature   -40 ~ 80℃
Storage temperature-45 ~ 85℃
Humidity5%~ 95%(无凝结)
External dimension95.5mm×70.5mm×25mm(length × width × height)
Installation and fixationFixed structure side installation mode
Special design

IP40 protection level, electromagnetic shielding, wind protection, sun protection, shock proof and heat dissipation design

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Available ModelsEthernet interfaceWIFIRS232/485GPS
GP-R520-232 20RS2320