- Free 30-day Returns
Meet Your Seller
HF Elfin-EW11A-0 RS485 to WiFi Serial Server, Mini Wireless Serial Device Server with RJ45 Port, Supports Modbus TCP/IP, Industrial IoT Serial Converter, Complete EW11A-0 Full Set
- Compact Elfin-EW11A-0 serial server, realizes bidirectional conversion between RS485 serial port and WiFi wireless network
- Built-in complete TCP/IP protocol stack, supports Modbus TCP protocol for industrial Modbus RTU equipment communication
- Supports STA / AP / AP+AP mixed working modes, flexible networking for on-site industrial deployment
- Wide voltage 5-36V DC power input, stable data transmission, equipped with external WiFi antenna for stronger signal
- Full set package including main unit and matched accessories, easy DIN rail mounting for automation & IoT projects
Any questions? Our AI mode will help you find out quickly.
HF Elfin-EW11A-0 is one of the miniaturized industrial serial WiFi servers, designed to connect traditional RS485 serial devices to wireless WiFi networks. It serves as an ideal protocol conversion gateway widely adopted in industrial automation, remote equipment monitoring, smart energy systems and IoT transformation projects.
This serial device server integrates mature embedded system and full TCP/IP protocol stack. It supports Modbus TCP gateway function, achieving seamless mutual conversion between Modbus RTU and Modbus TCP, which helps users upgrade wired Modbus sensors, PLCs, inverters and meters into wireless networked devices without hardware modification.
It offers three working modes: STA, AP and AP+STA to satisfy diverse networking demands. The external detachable antenna enhances wireless receiving sensitivity and guarantees steady wireless communication in complex workshop environments. With wide 5V36V DC voltage input range, it adapts various industrial power supply conditions. Users can configure parameters conveniently via built-in web server or official configuration tool, and support SmartLink quick network configuration.
Equipped with standard RJ45 interface and RS485 terminal definition, the module supports high serial baud rate up to 460800 bps. This complete EW11A-0 whole set contains all required installation accessories, allowing direct DIN rail installation inside control cabinets. It is a cost-effective wireless networking solution to eliminate cumbersome serial cables for industrial serial equipment.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by Tech Cabin Return Policy
Manufacturer Contact Info
- For a directory of all our manufacturers, please click below.
- Manufacturers Directory















