Hi-Link HLK-RM04 User Manual

Hi-Link (HK)Co.,Ltd sky:hlktech
Http://www.hlktech.net Tel:0755-23152658-821
5
1 Brief Introduction
HLK-RM04 is a new low-cost embedded UART-ETH-WIFI module (serial port - Ethernet -
Wireless network) developed by Shenzhen Hi-Link (HK) 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.
Picture1.F-structure
2 Summarize
2.1 Technical Specifications
Table2-1Technical Specifications
wireless：IEEE 802.11n、IEEE 802.11g、IEEE 802.11b
Network standard
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
Tracks number 1-14
Frequency range 2.4-2.4835G
Emission power 12-15DBM
Interface
2 Ethernet,2 serial,1 usb （host/slave）,GPIO
Antenna
Antenna type
Onboard antenna / External Antenna
Ethernet
WIFI
（
C
lient/AP
）
S
erial Com

Hi-Link HLK-RM04 Specifications

General

Brand	Hi-Link
Model	HLK-RM04
Category	Network Hardware
Language	English