Waveshare Rail-Mount Serial Server, RS485 to WIFI/Ethernet Module, Modbus MQTT Gateway


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SKU: 1323455
  1. Brand: Waveshare
  2. Run voltage: DC 5-36V
  3. Wireless standard: 802.11 b/g/n
  4. Frequency range: 2.412 GHz-2 .484 GHz
  5. Support RS485 to Wifi/ Ethernet communication.
  6. Rich indicator LED: Power, link, RXD, TXD.


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Category: USB Interface Module

Waveshare Rail-Mount Serial Server RS485 to WIFI/Ethernet Module Modbus MQTT Gateway .This is a RS485 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to HTTPD Client, etc. With RS485, WIFI and Ethernet ports, the module can realize functions such as serial to WIFI, serial to Ethernet, Ethernet to WIFI and so on. Using screw terminals for power input, it supports 5~36V wide range power supply. Rail-mount V0 flame-retardant case design, small in size, easy to install. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring…

Useful Link:

Please check this tutorial for software and manual.


  1. Support 802.11b/g/n wireless standards.
  2. Support WAVESHARE-link.
  3. Support route and bridge modes.
  4. Support RS485 to Wifi/ Ethernet communication.
  5. Rich indicator LED: Power, link, RXD, TXD.
  6. Wide voltage DC 5~36V, support terminal power

Package Include:


1 X Antenna

SKU: 1323455 Category:

300 ~ 460800 bps

Storage temp




Wireless standard

802.11 b/g/n

Frequency range

2.412GHz-2 .484GHz

Communication interface

RS485, screw terminal

Transmitting power

– 802.11b: +19dBm (11Mbps)
– 802.11g: +18dBm (54Mbps)
– 802.11n: +17dBm (HT20, MCS7); +17dBm (HT40, MCS7

Receiving sensitivity

– 802.11b: -89dBm (11Mbps)
– 802.11g: -81dBm (54Mbps)
– 802.11n: -73dBm (HT20, MCS7); -71dBm (HT40, MCS7)

Operating mode

Transparent transmission, serial command, HTTPD Client, Modbus TCP to Modbus RTU


L × W × H: 109.66 × 28 × 64.71 mm



Shipping Weight 0.158 kg
Shipping Dimensions 15 × 10 × 2 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China