Wireless at a Glance
| Standard | 802.11a | 802.11b | 802.11g |
|---|---|---|---|
| Max speed | 54Mbps | 11Mbps | 54Mbps |
| Avg speed | 20Mbps | 4.5Mbps | 20Mbps |
| Outdoor range | 30m | 120m | 50m |
| Indoor range | 12m | 60m | 20m |
| Frequency | 5GHz | 2.4GHz | 2.4GHz |
| Channels | 8 | 13 | 13 |
| Users/access point | 64 | 32 | 32 |
| Officially ratified | yes | yes | yes |
| Wifi certification | yes | yes | end 2003 |
