Serial Wifi Ethernet Module

Welcome to our store.

1. Introduction

HLK-RM04 is a new low-cost embedded UART-ETH-WIFI module (serial port - Ethernet - Wireless network) developed by Shenzhen Hi-Link Electronic Technology co., Ltd ​ This product is an embedded module based on the universal serial interface network standard, built-in TCP / IP protocol stack, enabling the user serial port, Ethernet, wireless network (wifi) interface between the conversions. ​ Through the HLK-RM04 module, the traditional serial devices do not need to change any configuration; data can be transmitted through the Internet network. Provide a quick solution for the user’s serial devices to transfer data via Ethernet.

Features:

Full function of wireless router:Support 5 types of work mode: AP, Client, Repeater, Bridge, Router ​ AP mode:Default work mode. In this mode, the device works as a wireless access point, support for plug-and-play, and no configuration needed. ​ Router mode:In this mode, the device is equivalent to a wireless router, wired interfaces can be used as WAN, wireless used as LAN. Multiple wireless clients can share a broadband line to search the Internet. ​ Repeater mode:Use the radio relay function of the device, achieve the radio signal repeat and amplified, and form a new radio coverage area, ultimately attain the purpose of extending the coverage of the wireless network. ​ Bridge mode:With the Bridging function of equipment, firstly, the module RM04 establish a wirelessconnection with the front end wireless network itself ,then sending the wireless signal, at the same time, form a new wireless coverage, signal weak and signal blind spot can be solved effectively. ​ Client mode :The AP to work in this mode for the main AP is a wireless client, the equivalent of a wireless network card.

2. Summarize

2.1 Technical Specifications

Table2-1Technical Specifications

2.2 Hardware Explanation

The Pin of this product as shown above is defined as follows

About us:

1.We are the Hi-Link manufacturer we provide technical support and user manual for customers, if you need, please contact us through Aliexpress mail, we will send the software to you by e-mail, some of the software is large, so please leave your available mail to receive them.

2. We guarantee 100% customer satisfaction. If your item is not as described or faulty when you receive it we will replace it for you with no additional charge.

3. We guarantee that our products are brand new, official and first-class quality.

4. Please contact us with any comments, questions or suggestions that you may have, we will be happy to assist you.

5. For quality control we do personally inspect for each item before shipment. All items are 100% new and inspected.

6. We hope to develop a strong, long-term, mutually beneficial relationship with you.

7. If you are a seller, we can help you send the products to your customer directly. (Please contact first, thank you)

8. If you are interesting in our products or want to be our distributor, please contact us directly.