User's Manual

Alpha Networks Proprietary and Confidential Information
7
2.1 Functional Block Diagram
2.2 General Requirements
2.2.1 IEEE 802.11b Section
# Feature Detailed Description
2.2.1.1 Standard
• IEEE 802.11b
2.2.1.2 Radio and
Modulation
Schemes
• DQPSK, DBPSK, DSSS, and CCK
2.2.1.3 Operating
Frequency
• 2400 ~ 2483.5MHz ISM band
2.2.1.4 Channel Numbers • 11 channels for United States
13 channels for Europe Countries and other regions
2.2.1.5 Data Rate • 11, 5.5, 2, and 1Mbps
2.2.1.6 Media Access
Protocol
• CSMA/CA with ACK
2.2.1.7 Transmitter Output
Power
• Typical RF Output Power at each RF chain, Data Rate and at room
Temp. 25degree C
• 16 dBm(
Ʋġ
2dB) at 1,2,5.5,11Mbps
2.2.1.8 Receiver Sensitivity
• Typical Sensitivity at each RF chain. Frame (1000-byte PDUs) Error
Rate = 8%
• -76 dBm at 1Mbps
• -76 dBm at 2Mbps
• -76 dBm at 5.5Mbps
• -76 dBm at 11Mbps
2.2.1.9 Receiver Maximum
Input Level
The Receiver shall provide a maximum PER of 8 % at a PSDU length of
1000 bytes for a maximum input level of -10 dBm measured at each antenna
for any baseband modulation