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What is 802.11b?

802.11b is one of several Wi-Fi standards developed by the Institute of Electrical and Electronics Engineers (IEEE). It was released in 1999 along with 802.11a as the first update to the initial 802.11 specification, published in 1997. Both 802.11a and 802.11b are wireless transmission standards for local area networks, but 802.11a uses a 5 GHz frequency, while 802.11b operates on a 2.4 GHz band. The 802.11b Wi-Fi standard provides a wireless range of roughly 35 meters indoors and 140 meters outdoors. It supports transfer rates up to 11 Mbps, or 1.375 megabytes per second. ... Read more

What is 802.11a?

802.11a is an IEEE standard for transmitting data over a wireless network. It uses a 5 GHz frequency band and supports data transfer rates of 54 Mbps, or 6.75 megabytes per second. The 802.11a standard was released in 1999, around the same time as 802.11b. While 802.11b only supported a data transfer rate of 11 Mbps, most routers and wireless cards at that time were manufactured using the 802.11b standard. Therefore, 802.11b remained more popular than 802.11a for several years. In 2003, the 802.11a standard was superseded by 802.11g, which uses the same 2.4 GHz band as ... Read more

Network :: 802.11n

802.11n is a Wi-Fi standard that was introduced by the IEEE in 2007 and officially published in 2009. It supports a longer range and higher wireless transfer rates than the previous standard, 802.11g. 802.11n devices support MIMO (multiple in, multiple out) data transfers, which can transmit multiple streams of data at once. This technology effectively doubles the range of a wireless device. Therefore, a wireless router that uses 802.11n may have twice the radius of coverage as an 802.11g router. This means a single 802.11n router may cover ... Read more
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