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Wireless Technologies 802.11 (Pending Wi-Fi standards (802.11aj (known as…
Wireless Technologies 802.11
802.11ah
below 1GHz (typically the 900 MHz band)
908-928MHz
extended-range Wi-Fi networks that go beyond typical networks in the 2.4GHz and 5GHz space
competes with Bluetooth technologies in the home due to its lower energy needs
published in May 2017
802.11ad
December 2012
6.7Gbps of data rate
60 GHz frequency
3.3 meters Range
802.11ac
supports data rates up to 3.46Gbps
providing support for older client devices that may have 802.11b/g/n radios
supports the 2.4GHz frequency via 802.11n
802.11n
October 2009
2.4GHz and 5GHz
600Mbps
able to deliver data across these two frequencies
802.11g
802.11g was the successor to 802.11b
54Mbps
2.4GHz band
matching 802.11a speed but within the lower frequency range.
802.11a
June 1997
5GHz frequency
54Mbps
802.11a came out later than 802.11b
causing some confusion in the marketplace
802.11b
September 1999
2.4GHz frequency
data rate up to 11 Mbps
802.11-1997
The first standard
data rate up to 2 Mbps
2.4GHz frequency
66 feet of indoors (330 feet outdoors)
Pending Wi-Fi standards
802.11aj
known as China Millimeter Wave
modifications were made to the 802.11ad physical layer and MAC layer
enables operation in the China 59-64GHz frequency band
Final approval was expected in November 2017
802.11ak
It reached draft status in November 2017
the goal of these internal connections as transit links within 802.1q bridged networks
home-entertainment and industrial-control spaces
802.11ax
deployments in dense scenarios
2.4GHz and 5GHz spectrum
July 2019
802.11ay
60GHz
20Gbps
September and November 2019
802.11az