Programmable OpenWRT RS485 IoT Gateway

  • OpenWRT system for with script support
  • Dual Ethernet, WiFi, LTE, GPS and isolated RS485
  • Easy to deployment and configuration

Compact size multipurpose Industrial IoT Gateway with support of custom scripts with OpenWRT OS. It has two ethernet, WiFi, LTE, GPRS, isolated RS485, two digital inputs, one relay output. The advantage of the OpenWRT system is that it is a very well-developed system for use in communication devices. Open source code makes possible implement own programming solutions.


  • Monitoring the operation of industrial machinery and equipment
  • Remote management of urban, road and industrial infrastructure components

LTEGPRSGPSWiFiWiFiUSBRS485PoE-LANLANModbusRelayOpto-isolation2-in1-outSDreal timecloudsmart city

Technical specification

CPU 650MHz MIPS processor
Storage 64MB + microSD
RAM Memory 128MB
Mobile LTE, GPRS
Antenna Connectors 1 x SMA for mobile, 1 x SMA for GPS, 1 x SMA for WiFi
Ethernet 1 x 10/100 Ethernet port
WiFi IEEE 802.11b/g/n
Serial Isolated RS485
Input/output 2 x isolated digital Inputs, 1 x digital relay output
Other 1 x USB, LTE modem on microPIC express
Status Indicators 4 x signal strength, 2 x RS485, 1 x connectivity, 1 x activity, 1 x WiFi, 1 x output
Power 8-36V DC with reverse polarity protection
Operating temperature -20 °C to 75 °C
Housing Aluminium housing with DIN rail mounting option
Dimensions (W x H x D) 88mm x 35mm x 87mm
Weight 230g



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Functional Specification

Operating system OpenWRT V21.02.2  (kernel 5.10.103)
Programming language lazarus, C, C++, java, php, html, python, sql etc.
Network protocol support TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP, HTTPS, FTP, SMTP, SSLv3, TLS 1.3, ARP, PPP, DHCP, Telnet
VPN and tunneling OpenVPN, OpenConnect, IPsec, PPTP, SoftEther VPN, WireGuard
Connection monitoring WEB UI, CLI, SSH, CALL, SMS, TR-069, SNMP, JSON-RPC, MQTT, MODBUS, RMS
Cloud solutions FOTA, Azure IoT Hub, Cloud of Things, Cumulocity, ThingWorx
Modbus TCP slave, TCP master, RTU master, RTU gateway, Modbus over MQTT
Serial Console, Over IP, Modem, NTRIP

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