HLKRM04-5.5V 32Mb RAM 8Mb Flash UART Serial-Ethernet-WiFi Wireless Module

HLK-RM04 is a new low-cost embedded UART-ETH-WIFI module (serial port – Ethernet – Wireless network) developed by Shenzhen Hi-Link Electronic 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.

Documents:

Datasheet of HLKRM04 

Tutorials

Specifications:

• Network standard: wireless IEEE 802.11n, IEEE 802.11g,IEEE 802.11b wired IEEE 802.3, IEEE 802.3u
• Wireless transmission rate: 11n: maximum up to 150Mbps, 11g: maximum up to 54Mbps, 11b: maximum up to 11Mbps
• Frequency range: 2.4-2.4835G
• Emission power: 12-15DBM
• WIFI work mode: Client/AP/Router
• WDS Function:Support WDS wireless bridge connection
• Wireless security: Wireless MAC address filtering, Wireless security function switch, 64/128/152 bit WEP encryption, WPA-PSK/WPA2-PSK,WPA/WPA2 security mechanism
• Network management: Remote Web management, Configuration file import and export, WEB software upgrade
• Operating temperature: -20-70C
• TCP/UDP connection: Max connection number>20
• Operating humidity: 10%-90%RH
• Serial baud rate: 50~230400bps
• Storage temperature: -40-80C
• Storage humidity: 5%-90%RH

Packing List: 

1 x HLKRM04 – 5.5V 32Mb RAM 8Mb Flash UART Serial – Ethernet – WiFi Wireless Module