www.hlktech.net Email :sunny@hlktech.cn skype:hlktech HLK-RM08K User Manual ETHERNET WIFI Full Function Serial Network/Wireless Module Contact：Sunny Shen Email ：sunny@hlktech.
www.hlktech.net Email :sunny@hlktech.cn skype:hlktech 1.BRIEF INTRODUCTION ....................................................................................... 3 2 HARDWARE EXPLANATION 2.1 MECHANICAL DIMENSIONS ................................................................... 3 2.2 PINS DEFINITION ................................................................................... 4,5,6 2.3 TYPICAL REFERENCE DESIGN ................................................................. 7 2.3.
Link Electronic Co.,Ltd www.hlktech.net Email :sunny@hlktech.cn skype:hlktech 1. BRIEF INTRODUCTION HLK-RM08K is a new low-cost embedded UART-ETH-WIFI module (serial port - Ethernet - Wireless network) developed by Shenzhen Hi-Link (HK) co., Ltd. The product is a low power consumption WIFI module,supports EEE802.11b/g/n wir eless protocol with small size and smart use,ully transparent transmission UART module, b uilt-in TCP / IP protocol stack, enabling users short development cycle.
www.hlktech.net Email :sunny@hlktech.cn skype:hlktech 2.2 Pin Definitions No. FUNCTION DIRECTION DESCRIPTION 1 CTS1/G0 I/O CTS1 2 WDG O 3 CTS0/G1 I/O CTS0 4 RTS0/G2 I/O RTS0 5 RES0 - （Reserved） 6 RES1 - （Reserved） 7 RES2 - （Reserved） 8 GND Power 9 WLED_N O 10 VDD_O Power Out 3.
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www.hlktech.net Email :sunny@hlktech.cn skype:hlktech Parameter storage : RCFG：The parameters in the memory. SCFG：General parameters. CCFG：Save To C Instructions to save parameters. FCFG：Factory factory Settings. Users can't modify. 1. 2. 3. 4. 5. Power on，module read SCFG to RCFG from flash. Save instructions RCFG to SCFG. Restore settings，copy CCFG to SCFG. Save To C Save instructions RCFG to CCFG. Factory resetting，copy FCFG to CCFG. 2.3 TYPICAL REFERENCE DESIGN 2.3.
www.hlktech.net Email :sunny@hlktech.cn skype:hlktech 2.3.2 USRT TO WIFI（AP OR STA） 2.3.3 GATAWAY MODE OR REPEATER MODE Please refer to diagram of test board. 3. TECHNICAL SPECIFICATION Wireless standard : IEEE 802.11n、IEEE 802.11g、IEEE 802.11b Network standard Wired standard : IEEE 802.3、IEEE 802.3u 11n:Max150Mbps Wireless transmission rate 11g:Max54Mbps 11b:Max11Mbps Channels 1-11 frequency range 2.4-2.4835G Transmit power 8 -18DBM Receive Sensitivity -70DB Connector 1WAN\4LAN\2UART Antenna A
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www.hlktech.net Email :sunny@hlktech.cn skype:hlktech 4. DETAILED FUNCTIONS 4.1 UART MODE 4.1.1 UART TO ETHERNET Diagram 2. UART to ETH In this mode，ETH0（WAN port）enabled. Closed. Ethernet could configure as dynamic IP ( DHCP ) ,also could configure as static IP(static). 4.1.2 UART TO WIFI STA Diagram 3. UART to WIFI STA In this mode, WIFI enabled，working in STA mode, Ethernet closed. WIFI STA could configure as dynamic IP (DHCP), also configure as static IP(STATIC).
www.hlktech.net Email :sunny@hlktech.cn skype:hlktech 4.1.3 UART TO WIFI AP Diagram 4. UART TO WIFI AP In this mode, WIFI enabled, working in AP mode, Ethernet closed. In this mode, WIFI device could connect module, as one working in WIFI local area net. 4.2 NETWORK MODE 4.2.
www.hlktech.net Email :sunny@hlktech.cn skype:hlktech Diagram 5. Default mode In this mode, module connects router by WAN, Module’s WAN IP can be set to automatically obtain IP ( static DHCP), Module’s 4 LAN port could connect PC directly, PC can directly obtain IP addresses from module; Module acts as AP now, clients could connect its WIFI directly. 4.2.2 PEPEATAR MODE WIFI HLK-RM08K WiFi WIFI AP client PC/SWITCH ETH PORT Diagram 6.
www.hlktech.net Email :sunny@hlktech.cn skype:hlktech Module is functioned as PBX. 5.VERSION UPDATE INSTRUCTIONS VERSION NO. NOTE MODIFIER TIME V1.0 USER MANUAL KAVIN 2016.01.13 FCC Warning This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
