2022年WIFI.无线上网模块 .pdf

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1、Specifications of USB2.0 802.11b/g Wireless LAN 2Contents:Device Overall Description 802.11 Wireless LAN-Features-Block Diagram-Modulation Methods-Channel Assignment-Security(WEP Key)-RF Characteristics-Software&OS support-Operating Conditions-Antenna Connector-Host Interface Pin Definition And Mech

2、anic Drawing Device Overall Description The LR802UWG is designed to provide wireless LAN function on a small form factor with USB interface.The wireless LAN function is based on Winbond W89C35D MAC/BBP with Airoha AL2230 Transceiver/Power amplifier,which implements the full IEEE802.11b/g standard da

3、te rates up to 54Mbps.802.11 Wireless LAN Features-Winbond W89C35D MAC/BBP with Airoha AL2230 Transceiver/Power Amplifier-Support IEEE 802.11b compliant DBPSK,DQPSK,CCK modulation-IEEE802.11b Standard Data Rates:1,2,5.5 and 11Mbps-Support IEEE 802.11g compliant DSSS,CCK,OFDM modulation-IEEE802.11g S

4、tandard Data Rates:6,9,12,18,24,36,48,54Mbps-Embedded WEP(64 or 128 bit)engine for enciphering/deciphering of wireless data-Support TKIP and AES CCMP compliant with 802.11i D3.0-Host Interface supports USB 1.1/2.0 Specification Compliance-IEEE 802.11b/g-USB spec.1.1/2.0 Form factor-Weight 0.25 oz(7g

5、)-60mm Length X 25mm Width X 5.4mm Height 名师资料总结-精品资料欢迎下载-名师精心整理-第 1 页，共 7 页 -Specifications of USB2.0 802.11b/g Wireless LAN 3802.11 Wireless LAN Block DiagramW89C35D:Winbond,Wireless LAN Integrated Medium Access Controller with Baseband Processor AL2230:Airoha,2.4GHz Direct Up/Down Converter Singl

6、e chip Transceiver/Power Amp and Detector Winbond W89C35D Chip diagram 名师资料总结-精品资料欢迎下载-名师精心整理-第 2 页，共 7 页 -Specifications of USB2.0 802.11b/g Wireless LAN 4Airoha Chip diagram Modulation Methods DATA BIT RATE MODULATION and Encoding Rate802.11b CCK MODES 1Mbps BPSK 2Mbps QPSK 5.5Mbps QPSK 11Mbps QPS

7、K 802.11g OFDM MODES 6Mbps BPSK 9Mbps BPSK 12Mbps QPSK 18Mbps QPSK 24Mbps 16QAM 36Mbps 16QAM 48Mbps 64QAM 54Mbps 64QAM 名师资料总结-精品资料欢迎下载-名师精心整理-第 3 页，共 7 页 -Specifications of USB2.0 802.11b/g Wireless LAN 5Channel Assignment Channel Frequency FCC(US)IC(CA)ETSI(EU)Japan(JP)1 2412MHz X X X X 2 2417MHz X

8、 X X X 3 2422MHz X X X X 4 2427MHz X X X X 5 2432MHz X X X X 6 2437MHz X X X X 7 2442MHz X X X X 8 2447MHz X X X X 9 2452MHz X X X X 10 2457MHz X X X X 11 2462MHz X X X X 12 2467MHz X X 13 2472MHz X X 14 2484MHz X KEY:US=United States,CA=Canada,EU=European Countries(except France and Spain)JP=Japan

9、Many countries and region are currently revising the channel assignment.X=Supported Security(WEP Key)Supports hardware WEP(64 or 128 bit),TKIP and AES CCMP engine 名师资料总结-精品资料欢迎下载-名师精心整理-第 4 页，共 7 页 -Specifications of USB2.0 802.11b/g Wireless LAN 6RF Characteristics RF Characteristics Minimum Typica

10、l Maximum Units PC Interface USB 2.0/1.1Plug and Play Compatible YesInternal Antenna Impedance 50ohmsStorage Temperature Range-20+85 CSupply Voltage 4.755.05.25 VRX Supply Current(CCK)233253270 mARX Supply Current(OFDM)233253270 mATX Supply Current(CCK)345364388 mATX Supply Current(OFDM)283304325 mA

11、RX Sensitivity,11 Mbps(CCK)-87-85-83 dBmRX Sensitivity,54Mbps(OFDM)-71-69-67 dBmTX Output Power(CCK)171921 dBmTX Output Power(OFDM)111213 dBmTX Carrier Suppression 30dBTX Spectral Mask(CCK)PASSTX Spectral Mask(OFDM)PASSPreamble Length Long/ShortNote:Sensitivity based upon 1 kbyte packet length,8%PER

12、(CCK),single antenna driven,diversity disabled.Note:Sensitivity based upon 1 kbyte packet length,10%PER(OFDM),single antenna driven,diversity disabled.Note:All measurements at the end of 6 of cable through Murata Connector with local diversity option.Software&OS support OS DriverWin2000 AvailableWin

13、XP AvailableWin CE 4.2 AvailableWin CE 5.0 AvailableUser Configuration Utility Available名师资料总结-精品资料欢迎下载-名师精心整理-第 5 页，共 7 页 -Specifications of USB2.0 802.11b/g Wireless LAN 7Operating ConditionsVoltage Range 5V+-5%Operating Temperature Range 0C-65 C Storage Temperature Range-20 C-85 C Relative Humidi

14、ty during Operating 95%(Non-Condensing)Relative Humidity during Storage 95%(Non-Condensing)Antenna Connector SMT Ultra Miniature Coax Connector,Hirose(Option)Host Interface Pin Definition And Mechanics Graph-Host Interface Connector:6 pin SMT Male USB Connector.-Connector Product Number(Male):87213-

15、0600 (Connector Vender Aces Electronic CO.,LTD.)-Pin Definition:1 VCC5.0 2 DATA-3 DATA+4 GND 5 LINK 6 FAA Note:Pin 5 is Low active(connect to LED CATHODE pin;Max Input Voltage 3.3V)Pin 6 is High voltage to enable RF function.名师资料总结-精品资料欢迎下载-名师精心整理-第 6 页，共 7 页 -Specifications of USB2.0 802.11b/g Wireless LAN 8Bottom Side Line to board connector not install LED Status:LED status WLAN card activity LED on Associated w/AP LED blink Scanning for AP LED off All other status 名师资料总结-精品资料欢迎下载-名师精心整理-第 7 页，共 7 页 -