MIPS MCU with 2MB Flash and 128KB RAM Use FreeRTOS Operation System Support IP/Telnet/Modbus Protocol Support Serial To 10/100M Ethernet Conversion, Serial to 921600 Support 10/100M Ethernet Auto-Negotiation Eport-E20 is a fully self-contained small form-factor, most compact, integrated solution, which provide a serial interface to Ethernet connectivity to web enable any device,Eport-E20 can be simply accessed and controlled over the Internet. Support Easy Configuration Through a Web Interface Support Security Protocol Such As //DES3 Support Web OTA Wireless Upgrade Single +3.3V Power Supply Size: 50 x 23 x 11 mm (L x W x H) Colour:As Shown Material:PC Package Contents: 1 * Serial port networking module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.