Belkin F5D7632uk4v3000 - Manual (Page 90)

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Troubleshooting
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What’s the difference between 802.11b,
802.11g, 802.11a, and Pre-N?
Currently there are four levels of wireless networking standards, which
transmit data at very different maximum speeds. Each is based on the
designation 802.11(x), so named by the IEEE, the board that is responsible
for certifying networking standards. The most common wireless networking
standard, 802.11b, transmits information at 11Mbps; 802.11a and 802.11g
work at 54Mbps; and Pre-N works at 108Mbps. Pre-N, the precursor to
the upcoming 802.11n release, promises speeds that exceed 802.11g, and
up to twice the wireless coverage area. See the following chart for more
detailed information.