19
Introduction

The following table provides detailed information on the differences between the 802.11a and 802.11b feature sets.

2.4 GHz
(802.11b)
5 GHz
(802.11a)
Physical Layer Type
(Modulation Type)
DSSS
(Direct Sequence Spread Spectrum)
ODFM
(Orthogonal Frequency Division Multiplexing)
Auto Channel Select enable (default)
disable
enable (default)
disable
Frequency Channel 1 - 2.412 GHz
2 - 2.417 GHz
3 - 2.422 GHz (default FCC, ETSI, Japan)
4 - 2.427 GHz
5 - 2.432 GHz
6 - 2.437 GHz
7 - 2.422 GHz
8 - 2.447 GHz
9 - 2.452 GHz
10 - 2.457 GHz
11 - 2.462 GHz
12 - 2.467 GHz (ETSI countries only)
13 - 2.472 GHz
14 - 2.477 GHz (Japan only)
For France, channels 10-13 only
36 - 5.180 GHz
40 - 5.200 GHz
44 - 5.220 GHz
48 - 5.240 GHz
52 - 5.260 GHz (default)
56 - 5.280 GHz
60 - 5.300 GHz
64 - 5.320 GHz
Channels 36-64 are valid for products in the FCC
and ETSI regulatory domains.
The following channels are available in Japan:
34 - 5.170 GHz (default)
38 - 5.190 GHz
42 - 5.210 GHz
46 - 5.230 GHz
Transmit Rate N/A 0 - Auto Fallback (default)
6 Mbit/sec
9 Mbits/sec
12 Mbits/sec
18 Mbits/sec
24 Mbits/sec
36 Mbits/sec
48 Mbits/sec
54 Mbits/sec
Distance Between APs large (default)
medium
small
minicell
microcell
N/A
Multicast Rate 1 Mbit/sec
2 Mbits/sec
5.5 Mbits/sec (default)
11 Mbits/sec
Available options depend on Distance Between
APs setting
0 - Auto Fallback (default)
6 Mbit/sec
9 Mbits/sec
12 Mbits/sec
18 Mbits/sec
24 Mbits/sec
36 Mbits/sec
48 Mbits/sec
54 Mbits/sec
Interference Robustness enable (default)
disable
N/A
Closed System enable
disable (default)
N/A
Load Balancing enable (default)
disable
N/A
Medium Density Distribution enable (default)
disable
N/A