How do WiFi Services Work?
A few years back, people considered the idea of ‘anywhere, anytime' wireless Internet access a joke. Today, however, the scenario is nothing short of science fiction-meets-realism. People are able to access the Internet in the most unimaginable places, like coffee shops, airports, libraries and hotels, all thanks to WiFi services. WiFi or 802.11 networking is a service that is fast gaining popularity because it is inexpensive and easy to start up and maintain.
How do WiFi services work?
WiFi Services are also known as 802.11 networking services, because the latter is the name designated by the Institute of Electrical and Electronics Engineers or IEEE. WiFi services work with the help of radio waves, much like a two-way radio. The wireless adapter in your computer converts data into a radio signal. This radio signal is picked up by a wireless router, which then decodes it back into data and sends it over to the Internet using a standard Ethernet cable connection.
This works vice versa as well, with the wireless adapter in your computer receiving and decoding information. WLAN solutions can transmit radio waves at either 2.4 GHz or 5 GHz, and both frequencies can carry a massive amount of data. The 5 GHz frequency is used by 802.11a networks, while the 2.4 GHz frequency is used by 802.11b networks. There are other standards for WiFi services as well, like 802.11g and 802.11n.
What does each standard of WiFi services offer?
802.11b, which transmits in the 2.4 GHz frequency, was one of the first and most popular standards in WiFi services. The reason for its popularity is attributed to the cheap cost for setting it up as compared to other standards. With a capability of transmitting data at a speed of only 11 megabits per second, however, this WiFi standard is the slowest in the list. It is also becoming less popular because of availability of faster WiFi services at higher speeds and more reasonable rates.
The 802.11a networking standard is capable of transmitting data at 54 megabits per second. It uses a coding technique known as OFDM, which ultimately reduces interference and allows for a faster and clearer network. It transmits at the 5 GHz frequency.
The 802.11g is an improvement on the once-popular 802.11b standard. It transmits at the same frequency, but is capable of handling 54 megabits per second because it takes a page from the 802.11a system and employs the OFDM coding system. However, the speed of 54 megabits per second is theoretical, and this standard actually works at a speed of around 24 megabits per second.
802.11n is the latest standard of WiFi services, and it is rapidly growing in popularity. This particular standard is a vast improvement from its predecessors in terms of service range and speed of transmission. The 802.11g is limited in its speed because of high network congestion. However, 802.11n boasts of speeds that can reach an incredible 140 megabits per second, and it has the ability to handle a lot more traffic.
Thus, you can see that there are various standards of WiFi services. Which one you choose depends on your location, your requirements from the network, and your budget. It is always best to choose WiFi services that are certified by WiFi and that have a good reputation of designing customer-specific and dependable WiFi systems.
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The terms ‘WiFi service' and ‘802.11' are quite popular in technologically savvy circles. Many people talk about WiFi and its benefits, but most people are mistaken about what a WiFi service actually is, and don't even know what the number 802.11 means.
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