The EW11A unit is a complete solution for connecting serial port devices to a network. This powerful device supports reliable and proven firmware stored in flash memory, an embedded web server, a full TCP/IP protocol stack, and standards-based encryption. - EW11 serial server enables data transfer via Wi-Fi, simplifying data communication. - Supports 802.11b/g/n wireless standard - Supports TCP, UDP, Telnet, and Modbus TCP protocols - Supports RS485 to Ethernet/Wi-Fi conversion with serial speed up to 460800 bps - Supports STA, AP, and AP+STA modes - Supports smart configuration (APP provided) - Easy configuration through web interface or PC IOTService tool - Supports security protocols such as DES and 3DES - Supports web-based OTA wireless upgrade - Integrated internal PCB antenna - Wide DC input range: 5–18V DC - Color: As shown - Material: Plastic - Dimensions: 61 x 26 x 17.8mm (L x W x H) - Package includes: 1 x Wireless module kit - Package content limited to the above; other items not included - Note: Lighting reflections and display differences may cause slight color variations between image and actual item. Measurement may vary by +/- 1–3 cm.