This Linux OpenWRT Programmable Gateway is ready with 4 Serial ports, Ethernet, and WiFi ready for developers to develop applications such as wired and wireless Serial Modbus gateways and more.

Linux OpenWRT
4 x RS232/RS485/RS422
1 x Ethernet
1 x WiFi

Please refer to software developer guide for more applications

CPU : MT7688AN MIPS CPU , 580 MHz
RAM : 128M Bytes DDR2 RAM
ROM : 32M Bytes Flash ROM
OS : OpenWRT Linux OS

Ethernet
Port Type : RJ-45 Connector
Speed : 10 /100 M bps ( Auto Detecting )
Protocol : ARP , IP , ICMP , UDP , TCP , HTTP , DHCP
Protocol ：PPPoE , DDNS , NTP , FTP , Telnet
Mode : TCP Server / TCP Client / UDP
Setup : HTTP Browser Setup (IE & Netscape) , Console
Protection : Built-in 1.5KV Magnetic Isolation

WiFi port
2.4G WiFi IEEE 802.11 b/g/n
Support AP / Station

Serial Ports x 4
4 x RS232/422/485 ( RS232 supports RX/TX only )
RS422/485 ( Surge Protect )
Speed : 300 bps ~ 230.4 K bps
Parity : None , Odd , Even , Mark , Space
Data Bit : 5 , 6 , 7 , 8
Stop Bit : 1 , 2
RS232 Pins : Rx , Tx , GND
RS422 : Rx+ , Rx- , Tx+ , Tx- ( Surge Protect )
RS485 : Data+ , Data- ( Surge Protect )
15KV ESD for all signals

Digital Input / Output : GPIO x 8 Pins

Watch Dog Function (CPU built-in)
RTC : Real Time Clock x 1
Power : DC 9~32 V , 1000 mA 400mA@12V, support DC Jack & Terminal Input
LED Lamp : 4 x LED indicators (to be programmed)
Operating Temperature: -20℃ ~ 70℃
Storage Temperature : -25℃ ~ 80℃
Dimension : 180 x 110 x 30 mm ( W x D x H )
Weight : 350 g
RoHS : Compliant with RoHS
Regulatory Approvals : EMC, FCC Class A, CE Class A
Warranty : 1 year