Fangrui Product Details The For -ew11a Unit Is A Complete Solution For Serial Port Device Connecting To Network. This Powerful Device Supports A Reliable And Proven Stored In Flash Memory, An Embedded Web Server, A Full /ip Protocol Stack,and Standards-based () Encryption. For -ew11a Serial Server For Data Transfer Via Wi-fi, Which Makes The Data Transformation Very Simple. Support 802.11bgn Wireless Standard Support /udp/telnet /modbus Protocol Support Rs485 To Ethernet/wi-fi Conversion, Serial Speed 460800 Bps Support Sta/ap/ap+sta Mode Support V8 Smart Config(provide App) Support Easy Configuration Through Web Interface Or Pc Iotservice Tool Support Security Protocol Such As //des3 Support Web Ota Wirelss Upgrade Wide Dc Input 5-36vdc Colour:black Material:plastic+metal Package Contents: 1 * Rs485 To Wifi Serial Device Server 1 * 4 Pin Terminal 1 * Fixed Bracket 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 Li