---
title: "MQTT Unit with RJ45 Port (W5500)"
url: "https://maker.wiznet.io/teju/resellers/mqtt-unit-with-rj45-port-w5500/"
markdown_url: "https://maker.wiznet.io/teju/resellers/mqtt-unit-with-rj45-port-w5500/md"
type: "VAR: Value-Added Reseller Products"
author: "M5Stack Technology Co., Ltd."
author_url: "https://shop.m5stack.com/products/mqtt-unit-with-rj45-port-w5500"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "M5Stack Technology Co., Ltd."
original_url: "https://shop.m5stack.com/products/mqtt-unit-with-rj45-port-w5500"
published: "2022-09-29"
language: "en"
tags: ["W5500"]
hardware: ["WIZnet W5500"]
likes: 3
views: 7456
comments: 1
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# MQTT Unit with RJ45 Port (W5500)

> UNIT MQTT is an Ethernet MQTT communication module with embedded W5500 Ethernet chip, UART communication interface (AT command control) and

Original author: M5Stack Technology Co., Ltd. (source: https://shop.m5stack.com/products/mqtt-unit-with-rj45-port-w5500)

## Components

- **WIZnet W5500** x 1 ([docs](https://docs.wiznet.io/Product/Chip/Ethernet/W5500))

WIZnet parts: W5500 ([Datasheet](https://docs.wiznet.io/Product/Chip/Ethernet/W5500/datasheet?utm_source=maker&utm_medium=project&utm_campaign=w5500), [product hub](https://maker.wiznet.io/products/w5500/))

## Documents and links

- [LEARN AND DOCUMENTS](https://docs.m5stack.com/en/unit/mqtt)

## Article

- PRODUCT DETAILS

## **DescriptionUNIT MQTT** is an Ethernet MQTT communication module with embedded W5500 Ethernet chip, UART communication interface (AT command control) and integrated RJ45 adaptive 10/100M network port. It also supports 4 Topics subscription with extremely low network latency, and is widely used in various industrial automation, security monitoring systems, automatic measurement and control systems, and equipment data on the cloud.

## **Product Features**

- Embedded W5500 Ethernet chip

- RJ45 Ethernet port 10/100Mbps

- Ethernet MQTT communication

- Support 4x Topic subscription

- Low latency

- Development method:
  - AT command, UART: 9600bps default
  - Development platform: UIFlow, Arduino

## **Include**

- 1x UNIT MQTT

- 1x HY2.0-4P Cable(20cm)

## **Applications**

- Remote data collection/up to the cloud

## **Specification**

| **Specifications** | **Parameters** |
| --- | --- |
| Module Processor | ARM Cortex-M3 |
| Communication interface | UART: baud 9600bps 8N1 default |
| MQTT | Support 4x Topic subscription, not support MQTTS |
| Network port | RJ45 adaptive 10/100M network port |
| Delay | Delay `10ms |
| Standby working current | 40.4mA |
| Net weight | 22.4g |
| Gross weight | 27.2g |
| Product size | 72 * 26 * 19 mm |
| Packing size | 73 * 35 * 20 mm |

---

Source: https://maker.wiznet.io/teju/resellers/mqtt-unit-with-rj45-port-w5500/