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Frequently Asked Questions
WiFi
What is WIFI?
WiFi is a multi-purpose way of networking. People can apply it almost everywhere - in a house, office etc. It is also very flexible. Computers can be easily moved within its range. The users avoid different problems, such as destroying the wires. Wireless networking is a very cheap technology. We do not have to employ an administrator because the use is very simple. It is easy to use the Internet, check e-mail from each computer we have in our local network. Resources sharing is as easy as never before. People do not have to spend money on printers or hard disks. For example, it is possible to buy one big disk instead of a few smaller ones. That saves money. Using wireless LANs in offices is very advantageous. Programmers can easily co-operate while working on a complicated program, they are allowed to take their portable computers to conferences and to use the Internet's resources then. Briefly put, future belongs to WiFi. This technology is still developing and already now is on a high level. It becomes more and more common for people. It's certain that within a few years wireless LANs will replace the wired ones.
Short for wireless fidelity and is meant to be used generically when referring of any type of 802.11 network, whether 802.11b, 802.11a, dual-band, etc. The term is promulgated by the Wi-Fi Alliance.
Any products tested and approved as "Wi-Fi Certified" (a registered trademark) by the Wi-Fi Alliance are certified as interoperable with each other, even if they are from different manufacturers. A user with a "Wi-Fi Certified" product can use any brand of access point with any other brand of client hardware that also is certified. Typically, however, any Wi-Fi product using the same radio frequency (for example, 2.4GHz for 802.11b or 11g, 5GHz for 802.11a) will work with any other, even if not "Wi-Fi Certified."
Formerly, the term "Wi-Fi" was used only in place of the 2.4GHz 802.11b standard, in the same way that "Ethernet" is used in place of IEEE 802.3. The Alliance expanded the generic use of the term in an attempt to stop confusion about wireless LAN interoperability.
