In this article you will learn the Wi-fi standarts release date, Operating frequency, bandwith etc.
| Version | Release date | Frequency | Bandwidth | Typical | Max | Indoors | Outdoors |
| Legacy | 1997 | 2.4 GHz | 20 MHz | 0,9 Mbit/s | 2 Mbit/s | ~20 meters | ~100 meters |
| 802.11a | 1999 | 5 GHz | 20 MHz | 23 Mbit/s | 54 Mbit/s | ~35 meters | ~120 meters |
| 802.11b | 1999 | 2.4 GHz | 20 MHz | 4.3 Mbit/s | 11 Mbit/s | ~38meters | ~140 meters |
| 802.11g | 2003 | 2.4 GHz | 20 MHz | 19 Mbit/s | 54 Mbit/s | ~38meters | ~140 meters |
| 802.11n | 2009 | 2.4 GHz / 5 GHz | 20, 40 MHz | 130 Mbit/s | 300 Mbit/s | ~70 meters | ~250 meters |
| 802.11y | 2008 | 3.7 GHz | 20, 40 MHz | 23 Mbit/s | 54 Mbit/s | ~50 meters | ~5000 meters |
| 802.11ac | 2012 | 5 GHz | 20, 40, 80, 160 MHz | 87,6 Mbit/s | 866,7 Mbit/s | – | – |
