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Wi-Fi Standarts

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

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