AG-702


Programmable OpenWRT
LTE IoT gateway
with RS485, RS232 and I/O


  • OpenWRT system with custom script support
  • Dual Ethernet, WiFi, 4G LTE, GPS and isolated RS485 and RS232
  • Additional 512MB memory as overlay
  • More than 6000 ready applications

AG-702 is an innovative 4G LTE cellular Gateway with 2 ethernet ports, WiFi, RS485, RS232 and digital I/Os working on OpenWRT system. It can connect in multiple ways to the Internet with dual SIM capability and a range of advanced functions for mission critical IoT or M2M applications. AG-702 also support MQTT protocol for Cloud application and Modbus TCP/IP or RTU for industrial applications.


LTEGPRSdual-SIMGNSSWiFI-hotspotWiFidual-ethernetRS232-optoisolatedRS485-optoisolatedUSBbult-in-serverconfig-wwwinput-21-outputrelayopto-isolatedSD-cardopenWRTremote-configremote-updateVPN12-60VDCsmart-city

Powered by OpenWRT

Best system for networking

  • The system is very stable to work without interruption
  • Specially designed for communication management
  • Support for the latest network solutions

Speed up your solution deployment

Over 6,500 ready-made applications in the repository will speed up the implementation of the even very complex systems solutions


OpenWRT repo applications

Interfaces AG-702

Interfaces for all requirements

The AG-702 gateway is small in size and has multiple interfaces, all are optically isolated, ensuring the highest level of security for industrial systems. It also has two SIM cards on a special tray that provides the ability to install SIM cards in any position of the gateway.



CPU580MHz MIPS 24KEc processor
Storage64MB+512MB ExtRoot support (overlay)
Memory256MB RAM
Cellular4G LTE, GPRS
SIM2 x nanoSIM, tray type anti-loss holder
Antenna Connectors1 x SMA for cellular, 1 x SMA for GPS, 1 x SMA for WiFi
Ethernet2 x 10/100 Ethernet, one with passive PoE
GNSSGPS, BDS, Galileo, GLONASS, QZSS
WiFiIEEE 802.11b/g/n with hotspot function
Serial1 x opto-isolated RS485, 1 x opto-isolated RS232
Input/output2 x opto-isolated digital Input, 1 x relay output
Other1 x USB with USB storage support
Status Indicators4 x signal strength, 2 x serial (or custom use), 1 x connectivity, 1 x activity, 1 x WiFi, 1 x output, 2 x input
Power12-60V DC with reverse polarity protection, PoE (spare pair)
Operating temperature-20 °C to 65 °C
HousingAluminium housing with DIN rail mounting option
Dimensions88mm x 87mm x 35mm
Weight240g

Operating systemOpenWRT 23.05, Kernel 5.15.71, Atreyo Environment V1.01.02
Programming languageLazarus, C, C++, java, php, html, python, sql etc.
Network protocol suppportTCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP(S), FTP, SMTP, SSLv3, TLS 1.3, ARP, PPP, DHCP, Telnet
VPN and tunnelingOpenVPN, OpenConnect, IPsec, PPTP, SoftEther VPN, WireGuard
Configuration and managementWEB UI, CLI, SSH, CALL, SMS, TR-069, SNMP, JSON-RPC, MQTT(S), MODBUS, RMS
Cloud solutionsAll supported by Linux for MIPS architecture
ModbusTCP slave, TCP master, RTU master, RTU gateway
SerialConsole, Over IP, Modem, NTRIP

You can order our products online or send an individual inquiry. Please specify a specific model in your inquiry. Some models/products are only available on special order.

Model SelectionCellular NetworkGNSSOS  
GPRS3GLTE OpenWRT  
AG-702    EnquiryBuy now
AG-702-LT-IN EnquiryBuy now
AG-702-LT-EU Enquiry 
AG-702-LT-GLEnquiry 

  • Online documentation
    The documentation page provides detailed product specifications and complete instructions for use. Please read it before using the product.
    Downloads