The EW11A unit is a complete solution for connecting serial port devices to a network. This powerful device supports firmware stored in flash memory, an embedded web server, a full TCP/IP protocol stack, and standards-based encryption. The EW11 serial server enables data transfer via Wi-Fi, making data transformation simple. It supports 802.11b/g/n wireless standards, UDP, Telnet, and Modbus protocols. It provides RS485 to Ethernet/Wi-Fi conversion with serial speeds up to 460800 bps. Supports STA, AP, and AP+STA modes. Features V8 smart configuration, easy setup through a web interface or PC IOTService tool, and security protocols such as AES and 3DES. Supports Web OTA wireless upgrade and includes an internal PCB antenna. Wide DC input range: 5–18VDC. Color: As shown. Material: Plastic. Dimensions: 61 x 26 x 17.8mm (L x W x H). Package includes: 1 x Wireless module kit. Only the above items are included; other products are not part of this package. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance: +/- 1–3 cm.