Template:802.11 network standards: Difference between revisions
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Revision as of 07:25, 21 February 2010
| 802.11 network standards | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 802.11 Protocol |
Release[1] | Freq. (GHz) |
Bandwidth (MHz) |
Data rate per stream (Mbit/s)[2] |
Allowable MIMO streams |
Modulation | Approximate indoor range[citation needed] | Approximate Outdoor range[citation needed] | ||
| (m) | (ft) | (m) | (ft) | |||||||
| – | Jun 1997 | 2.4 | 20 | 1, 2 | 1 | DSSS | 20 | 66 | 100 | 330 |
| a | Sep 1999 | 5 | 20 | 61, 9, 12, 18, 24, 36, 48, 54 | 1 | OFDM | 35 | 115 | 120 | 390 |
| 3.7[y] | -- | -- | 5,000 | 16,000[y] | ||||||
| b | Sep 1999 | 2.4 | 20 | 1, 2, 5.5, 11 | 1 | DSSS | 38 | 125 | 140 | 460 |
| g | Jun 2003 | 2.4 | 20 | 1, 2, 6, 9, 12, 18, 24, 36, 48, 54 | 1 | OFDM, DSSS | 38 | 125 | 140 | 460 |
| n | Oct 2009 | 2.4/5 | 20 | 7.2, 14.4, 21.7, 28.9, 43.3, 57.8, 65, 72.2[z] | 4 | OFDM | 70 | 230 | 250 | 820[3] |
| 40 | 15, 30, 45, 60, 90, 120, 135, 150[z] | 70 | 230 | 250 | 820[3] | |||||
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- ^ "Official IEEE 802.11 working group project timelines". Sept. 19, 2009. Retrieved 2009-10-09.
{{cite web}}: Check date values in:|date=(help) - ^ "Wi-Fi CERTIFIED n: Longer-Range, Faster-Throughput, Multimedia-Grade Wi-Fi® Networks" (registration required). Wi-Fi Alliance. September 2009.
- ^ a b "802.11n Delivers Better Range". Wi-Fi Planet. 2007-05-31.