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HLK-RM04 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - low-cost embedded UART-ETH-WIFI module - Hi-Link

भाग संख्या HLK-RM04
समारोह low-cost embedded UART-ETH-WIFI module
मैन्युफैक्चरर्स Hi-Link 
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HLK-RM04 pdf
Http://www.hlktech.com
HLK-RM04 Data Sheet
HLK-RM04-DS V1.2 11/20/2012
1. Introduction
The HLK-RM04 module provides designers with a ready made component that provides a fully integrated solution for applications, using
the IEEE802.11 standard in the 2.4-2.5GHz ISM frequency band, including802.11b/g/n and also provides IEEE802.3, can be quickly and
easily included in product designs. The modules integrate all of the RF components required, removing the need to perform expensive
RF design and test. Products can be designed by simply connecting sensors and switches to the module IO pins or uart interface. The
modules use ralink’s chip Wireless Microcontroller, allowing designers to make use of the serial interface to connect with their device
Hence, this module allows designers to bring wireless applications to market in the minimum time with significantly reduced
development effort and cost.
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 Also the HLK-RM04 module have FCC modular approvals and is compliant with
EU regulations.
2. Specifications
The parameters are defined here.
VDD=5.0V @ +25°C
Typical DC Characteristics
Only wifi current
~140mA
One rj45 current
~120mA
Two rj45 cuurent
~135mA
WiFi and two rj45
~160mA
Centre frequency accuracy
+/-25ppm
Typical RF Characteristics
Receive sensitivity
-70dBm(802.11n)
Maximum Transmit power
18dBm/15dBm/13.5dBm
RF Port impedance – Ipex onnector
50 ohm
VSWR (max)
2:1
Centre frequency accuracy
+/-25ppm
Peripherals
UART
2pins
RJ45(WAN)
4pins
RJ45(LAN)
4pins
3.3V Out
1pins
1.8V Out
1pins
Notes
Wifi to serial,AP mode or Client mode
Serial to RJ45.
One is Wan anther is LAN
Default Mode/Factory Mode
Additional +/-15ppm allowance
Notes
Use Iqview to adjust
802.11b/g/n
2.4 - 2.5GHz
2.4 - 2.5GHz
Additional +/-15ppm allowance
Notes
1200-500kbps
Support pppoe
Support dhcp
Suuport atmost 300mA/3.3V
Suuport atmost 300mA/1.8V

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