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- Wireless Standards by IEEE -- table from CDWs Wireless Reference Guide
| Standard Name |
Maximum Link Speed |
Example Ranges: Depends on
environment |
Frequency Maximum |
Channels |
Air Interface |
Comments |
| 802.11b |
11Mbps |
150 ft indoors;
2,000 ft. outdoors |
2.4GHz |
3 |
DSSS |
Large number of products, limited number
of channels may cause interference. |
| 802.11a |
54Mbps |
60 ft indoors;
1,600 ft. outdoors |
5GHz |
8 |
OFDM |
Limited number of products, faster
speeds, potentially less interference, shorter
range. |
| 802.11g |
54Mbps |
Likely shorter than 802.11b ranges,
similar to 802.11a |
5.4GHz and 2.4GHz |
3 |
DSSS OFDM |
Faster speeds with potential backward
compatibility to
802.11b |
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- Encryption
- 802.11b includes 40-bit WEP encryption -- not very secure
- Many systems now support 64- or 128-bit WEP, but this is NOT part of the standard and thus depends on the manufacturer
- Real-World Data Rates
- Testing
- Interoperability of 802.11b devices through the Ethernet Compatibility Alliance, at www.wi-fi.org
- Links
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