User Manual

Alpha Networks Proprietary and Confidential Information
7
2.2 General Requirements
2.2.1 IEEE 802.11b Section
# Feature Detailed Description
2.2.1.1 Standard
Ÿ
IEEE 802.11b
2.2.1.2 Radio and
Modulation
Schemes
Ÿ
DQPSK, DBPSK, DSSS, and CCK
2.2.1.3 Operating
Frequency
Ÿ
2400 ~ 2483.5MHz ISM band
2.2.1.4 Channel Numbers
Ÿ
11 channels for United States/ Canada/ Taiwan
13 channels for Europe Countries
14 channels for Japan
2.2.1.5 Data Rate
Ÿ
11, 5.5, 2, and 1Mbps
2.2.1.6 Media Access
Protocol
Ÿ
CSMA/CA with ACK
2.2.1.7 Transmitter Output
Power
Ÿ
802.11b: 24.90dBm
2.2.1.8 Receiver Sensitivity
Ÿ
Typical Sensitivity at Which Frame (1000-byte PDUs) Error Rate =
8%
Ÿ
Typical –84dBm for 11Mbps @ 8% PER
Ÿ
Typical –90dBm for 2Mbps @ 8% PER
2.2.2 IEEE 802.11g Section
# Feature Detailed Description
2.2.2.1 Standard
Ÿ
IEEE 802.11g
2.2.2.2 Radio and
Modulation Type
Ÿ
BPSK, QPSK, 16QAM, 64QAM with OFDM
2.2.2.3 Operating Frequency
Ÿ
2400 ~ 2483.5MHz ISM band
2.2.2.4 Channel Numbers
Ÿ
11 channels for United States/ Canada/ Taiwan
13 channels for Europe Countries
13 channels for Japan
2.2.2.5 Data Rate
Ÿ
6,9,12,18,24,36,48,54Mbps
2.2.2.6 Media Access
Protocol
Ÿ
CSMA/CA with ACK
2.2.2.7 Transmitter Output
Power
Ÿ
802.11g: 28.41dBm
2.2.2.8 Receiver Sensitivity
Ÿ
Typical Sensitivity at Which Frame (1000-byte PDUs) Error Rate =
10%
Ÿ
–87dBm at 6Mbps
Ÿ
–87dBm at 9Mbps
Ÿ
–84dBm at 12Mbps
Ÿ
–82dBm at 18Mbps
Ÿ
–79dBm at 24Mbps
Ÿ
–75dBm at 36Mbps
Ÿ
–71dBm at 48Mbps
Ÿ
–70dBm at 54Mbps
2.2.3 IEEE 802.11n Section
# Feature Detailed Description
2.2.3.1 Standard
Ÿ
IEEE 802.11n Draft 2.0
2.2.3.2 Radio and
Modulation Type
Ÿ
BPSK, QPSK, 16QAM, 64QAM with OFDM
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