IEEE 802.11
English: IEEE 802.11

IEEE 802.11 is a series of protocols for wireless networking. Often these are called Wireless LAN, WLAN, or Wi-Fi. Such a protocol allows computers that have the needed radio parts to communicate with each other, without a cable. There are many types of Wi-Fi standards, known as 802.11 a, b, g, n, and recently ac & ad. These specifications are different in terms of speed and how far away you can use them.

Later standards

The first Wi-Fi standard was made in 1997. It is called IEEE 802.11. It allows communication with 1-2 MBit per second. Today it is outdated, and rare. Later standards add a letter to the name. They are labelled IEEE 802.11a to IEEE 802.11g. There are plans for ones labeled h, i, j, n, p and s. They are all compatible with each other.

Newer standards have a bandwidth of 54 MBit/s. About 40-50% of this is usable in real-life situations. As of 2007, the standards most widely used are IEEE 802.11g, and IEEE 802.11b.

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