The new wi-fi standard knowns as 802.11n is soon to receive “official standard” status from the IEEE. 802.11n was initially proposed in 2002 as the successor to the current standard 802.11a, b and g. Since then products have been available, approved by the Wi-Fi Alliance, and most of the new devices come with default 802.11n compatibility.
The first specifications were published in September 2003 and the Task Group n (TGn) had issues with this version and asked that it be revised. Since then several versions of the draft have been published. The latest draft specification was published on 5th June, which is draft 11.0, revised on 23rd June. This it seems will be the final specification as sources inside the TGn claim that all parties are happy with the final draft. However, a newer standard known as 802.11ad Wi-Fi is now ready to hit the market and test on products. The new standard boasts much higher speeds than the n standard and it remains to be seen if the new standard will take another seven years to be approved.
Wireless access points that support 802.11a, b, g and draft n are already available in the market along with laptop computers and wireless cards that support all four standards. It’ll probably be more usefull to purchase hardware that supports all standards if you are in the market for new gear, as the n standard will most likely be official very soon.