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Shenzhen FREEDIO Electronic Technology Co. Limited FR4020A2 User Manual

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Shenzhen FREEDIO electronic Technology Co., Limited 
4．Specification 
 
Item description 
Standard 
IEEE 802.11B/G/N CSMA/CA    ACK 
Interface USB1.1 
USB2.0 
Frequency range 
2.4-2.4835GHZ 
Channel 11 
Modulation OFDM/DBPSK/DQPSK/CCK 
Mode Infrastructure/ 
Ad-Hoc 
Rate 135/54/48/36/24/18/12/9/6 /1M 
Spreading DSSS 
Receive sensitivity   
54M/135M:-68dBm@10%PER11M:-85dBm@8%PER             
6M: -88dBm@10%PER    1M: -90dBm@8%PER 
RF Power 
135M: 15DBM,54M:15DBM, 11M:19DBM 
LED Status 
indicators 
Transmission distance 
Indoor <100M，outdoor <300M 
System platform 
WIN2000/XP/VISTA/LINUX/WINCE/WIN7 
Supply 
DC 3.3V +-0.2V 
Power dissipation 
<300MA@5V 
Environment 
Operating: 0ºC ～ 40ºC; storage:-40ºC ～ 70ºC; Operating 
humidity:10%～90% RH; storage humidity::5%～90% RH 
Chip RT3070 
 
 
 
 
 
 
 
 
5．System platform 
 
System CPU 
drive 
WIN2000/XP/WIN7/VISTA X86 
Platform 
support 
LINUX2.4/2.6 ARM, MIPSII 
support 
WINCE5.0/6.0 ARM 
,MIPSII support