The Elfin-EW11A unit is a complete solution for connecting serial port devices to a 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. The Elfin-EW11A serial server enables data transfer via Wi-Fi, making data transmission simple and efficient. Key Features: - Supports 802.11b/g/n wireless standard - Supports TCP, UDP, Telnet, and Modbus TCP protocols - Enables RS485 to Ethernet/Wi-Fi conversion with serial speeds up to 460800 bps - Supports STA, AP, and AP+STA modes - Compatible with V8 Config (app provided) - Easy configuration through web interface or PC IOTService tool - Supports security protocols including TLS, AES, and 3DES - Supports web-based OTA wireless firmware upgrades - Equipped with internal PCB antenna - Wide DC input range: 5–36VDC - Color: Black - Material: Plastic and metal Package Contents: 1 x RS485 to Wi-Fi module 1 x Network interface cable 1 x Fixed bracket Note: Only the items listed above are included. Other products are not included. Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement tolerances may vary by +/- 1–3 cm.