Wi-Fi is a revolutionary technology which changed the word. Wi-Fi is local area wireless technology which allows an electronic device to exchange data wirelessly or connect to the internet using the 2.4 GHz and 5 GHz radio frequency and Wi-Fi name is Trademark.
Why Wi-Fi is So Famous
Nearly all electronic device have Wi-Fi built in it which range from Laptops, smartphones, tablets, cameras, toasters and even some refrigerators, yes that is not a joke indeed, Wi-Fi refrigerator are called Smart refrigerator but why you need a Wi-Fi on a refrigerator because it display weather on your refrigerator display plus you can check all your Facebook feed and browse the web for cooking recipes or even you can leave notes all from the refrigerator display which in on its door.
History for Wi-Fi
The origins, 802.11 Wi-Fi standard date backed in 1985 by the ruling of US Federal Communications Commission which had released The ISM band for unlicensed use, so now properly you will be wondering what the hell is ISM Band.
What is ISM BAND?
ISM stands for “industrial, scientific and medical” which is a radio Bands that basically use internationally, the radio frequency (RF) for industrial, scientific and medical purposes other than telecommunications, microwave ovens which are operating at 2.45 GHz are included in ISM Band but why;
The powerful emissions of these devices can create electromagnetic interference and disrupt radio communication using the same frequency that’s why ISM Band limited to certain bands of frequencies, in short any communications devices must be able to tolerate any interference generated by ISM device for example a microwave oven in this band range.
Who is the Father of Wi-Fi
There is no solid evidents who really had invented the Wi-Fi but most of
the credit go to Vic Hayes who was an Dutch Engineer, due to his involvement in IEEE committee that created the 802.11 standard for Wi-Fi in 1997, IEEE Stand for Institute of Electrical and Electronics which was found in 1963 Today IEEE it is the world largest association of technical professionals Which covers
IEEE has more than 429,000 members around the world.
The First Wi-Fi Product
Under the name of WaveLAN, The world first ever Wi-Fi Sytem was invented by NCR Corporation with AT&T Corporation in 1991, it was an Cashier Systems
Wi-Fi Certification and Wi-Fi Alliance
Wi-Fi Alliance was created in 1999 because the main problem was back than the IEEE do not test any Wi-Fi device for compliance with their standards to have any Wi-Fi Certification , Today Wi-Fi Alliance enforces the use of the Wi-Fi brand to technologies based on the IEEE 802.11 standards from the IEEE.
To certify your device to have an Wi-Fi logo on it than the device need the certification which in the process requires conformance to the
IEEE 802.11 radio standards the WPA and WPA2 security standards, and the EAP authentication standard But again Not every Wi-Fi device is submitted for certification because of this Wi-Fi Alliance may allow you to use the names in your device as a Wi-Fi device as long as it is an Wi-Fi compliant.