User's Manual

Alpha Networks Proprietary and Confidential Information
7
2.2.2 IEEE 802.11g Section
# Feature Detailed Description
2.2.3.1 Standard

IEEE 802.11g
2.2.3.2 Radio and
Modulation Type

BPSK, QPSK, 16QAM, 64QAM with OFDM
2.2.3.3 Operating Frequency

2400 ~ 2483.5MHz ISM band
2.2.3.4 Channel Numbers

11 channels for United States
13 channels for Europe Countries
13 channels for Japan
2.2.3.5 Data Rate  6,9,12,18,24,36,48,54Mbps
2.2.3.6 Media Access
Protocol

CSMA/CA with ACK
2.2.3.7 Transmitter Output
Power

Typical RF Output Power (tolerance +-2dB) at each RF chain, Data
Rate and at room Temp. 25degree C

+ 18 dBm at 6, 9Mbps
 + 18 dBm at 12, 18Mbps

+ 17 dBm at 24, 36Mbps

+ 15 dBm at 48, 54 Mbps
2.2.3.8 Receiver Sensitivity

Typical Sensitivity at Which Frame (1000-byte PDUs) Error Rate =
10%

–82 dBm at 6Mbps

–81 dBm at 9Mbps

–79 dBm at 12Mbps

–77 dBm at 18Mbps

–74 dBm at 24Mbps

–70 dBm at 36Mbps

–66 dBm at 48Mbps

–65 dBm at 54Mbps
2.2.3 IEEE 802.11n Section for 2.4G Band
# Feature Detailed Description
2.2.3.1 Standard

Draft n
2.2.3.2 Radio and
Modulation Type

BPSK, QPSK, 16QAM, 64QAM with OFDM
2.2.3.3 Operating Frequency

2.4GHz band: 2400 ~ 2483.5MHz
2.2.3.4 MIMO

2T3R
GI=800ns GI=400ns MCS
20MHz 40MHz 20MHz 40MHz
0 6.5 13.5 7.2 15
1 13 27 14.4 30
2 19.5 40.5 21.7 45
3 26 54 28.9 60
4 39 81 43.3 90
5 52 108 57.8 120
6 58.5 121.5 65.0 135
7 65 135 72.2 150
8 13 27 14.444 30
9 26 54 28.889 60
10 39 81 43.333 90
11 52 108 57.778 120
12 78 162 86.667 180
13 104 216 115.556 240
14 117 243 130.000 170
15 130 270 144.444 300
16
19.5 40.5 21.7 45
17
39 81 43.3 90
2.2.3.5 Data Rate
18
58.5 121.5 65 135