---
lang: "en"
title: "ELFIN-EW41-485 RS485 to WiFi Connection Device"
sku: "ELFIN-EW41B-485"
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brand: "MARCOM S.r.l."
end_of_life: "false"
---

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ELFIN-EW41-485: RS485 to WiFi Connection Device. Power supply 5-36 VDC

The Elfin-EW4X serial server offers a product for converting TTL/RS232/RS485 protocols and Wi-Fi protocols, providing a solution for the channel from product serial ports to wireless data transmission. This product integrates a TCP/IP protocol stack, memory management, high-speed serial ports, TTL, RS232, RS485, and other rich hardware interfaces. Based on the mbed operating system, the product includes web pages and IOTService software, allowing convenient local and remote configuration, monitoring, and debugging. The Elfin-EW4X serial server uses a highly integrated hardware and software platform, optimized for industrial applications, smart grids, and medical and personal health applications. Adding a simple Elfin-EW4XB product is sufficient to meet the device's monitoring and data transmission needs.

## Technical Features

- Support for 802.11b/g/n wireless standard and BLE 5.0
- Support for SmartBLELink distribution network Bluetooth mode
- Support for TCP / UDP / MQTT / WebSocket / HTTP and other network communication protocols
- Support for TTL/RS232/RS485 to Wi-Fi conversion, serial speed up to 230400 bps
- Support for STA/AP/AP+STA mode
- Support for SmartLink V8 Smart Config (provides the APP)
- Support for easy configuration via Web interface or the IOTService PC tool
- Support for security protocols such as TLS/AES/DES3
- Support for OTA wireless upgrade via web page
- Support for internal PCB antenna and external SMA antenna
- Wide power supply, power is 5~36V
- FCC/CE/SRRC/IC certified
- Dimensions: 68.5 x 35 x 17.8 mm

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Source: https://shop.marcomweb.it/en/modbus/elfin-ew41-485-rs485-to-wifi-connection-device

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.