The Elfin-EW11A unit is a complete solution serial port device connecting to network. This powerful device supports a reliable and proven operating system stored in flash memory, an embedded web server, a full TCP/IP protocol stack,and standards-based (AES) encryption. <br> <br>Elfin-EW11 serial server data fer via Wi-Fi, which makes the data formation very simple. <br> <br>Support 802.11bgn Wireless Standard <br> <br>Support TCP/UDP/Telnet /Modbus TCP Protocol <br> <br>Support RS485 to Ethernet/Wi-Fi Conversion, Serial Speed Upto 460800 bps <br> <br>Support STA/AP/AP+STA Mode <br> <br>Support Smartlink V8 Smart Config(Provide APP) <br> <br>Support Easy Configuration Through Web Interface or PC IOTService Tool <br> <br>Support Security Protocol Such As TLS/AES/DES3 <br> <br>Support Web OTA Wirelss Upgrade <br> <br>Support Internal PCB Antenna <br> <br>Wide DC Input 5-18VDC <br> <br>Colour: <br> <br>Material:plastic <br> <br>Size:61x26x17.8mm(L x W x H) <br> <br>Package Contents: <br> <br>1 * wireless module Kit <br> <br>Only the above package content, other products are not included. <br> <br>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.