The Elfin-EW11A unit is a complete solution for 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 TCPIP protocol stack,and standards-based (AES) encryption.Elfin-EW11 serial server for data fer via Wi-Fi, which makes the data formation very simple.Support 802.11bgn Wireless StandardSupport TCPUDPTelnet Modbus TCP ProtocolSupport RS485 to EthernetWi-Fi Conversion, Serial Speed Upto 460800 bpsSupport STAAPAP+STA ModeSupport Smartlink V8 Smart Config(Provide APP)Support Easy Configuration Through Web Interface or PC IOTService ToolSupport Security Protocol Such As TLSAESDES3Support Web OTA Wirelss UpgradeSupport Internal PCB AntennaWide DC Input 5-18VDCColour:As ShownMaterial:plasticSize:61x26x17.8mm(L x W x H)Package Contents:1 * wireless module KitOnly 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.