The -EW11A unit is a complete solution for serial port device connecting to network. This powerful device supports a and proven stored in flash memory, an embedded web server, a full /IP protocol stack,and standards-based () encryption.-EW11 serial server for data transfer via Wi-Fi, which makes the data transformation very simple.Support 802.11bgn Wireless StandardSupport /UDP/Telnet /Modbus ProtocolSupport RS485 to Ethernet/Wi-Fi Conversion, Serial Speed 460800 Support STA/AP/AP+STA ModeSupport V8 Smart Config( APP)Support Easy Configuration Through Web Interface or PC IOTService ToolSupport Security Protocol Such As //DES3Support 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.