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Any point in a network where a user can connect to that network.
The main transmission point within a WLAN
A technique for sending data, video and voice traffic over long
distances at very high speeds.
A program or hardware preventing unauthorised entry to and
from a network or computer.
Gigahertz a unit of frequency measurement. 1 GHz is equal to 1
billion events per second
Intranet Access Point
A local network private to a company or group
Integrated Services Digital Network
Internet Service Provider
Kilobits per second 1 kbps equals 1024 bits per second
Local Area Network within a small area e.g. a business
Megabits per second 1 Mbps equals 1024 Kbps
Wide Area Network
Wireless Application Protocol
Wireless LAN covers a wide area e.g. a village
The
normal speed of a standard BT or ISP supply. 56k is the current connection of a
modem connecting to a normal dial up telephone line (never achieved for user
data throughput, a very unreliable standard.
5GHz microwave band offering 54mbps wireless transfer. A costly
alternative to 802.11b or 802.11g. Costly and widely unsupported by community
WLAN.
The standard/original wireless band running at 2.4GHz. This is
the most common band in use although the newer 802.11g bands have superseded
it. Cheap.
The newer 54mbps band running at 2.4GHz. This is the new
standard for wireless communication. Sharing the same band as 802.11b, most new
equipment supports the old standard as well. This is also cheaper than
802.11. Uses the same external antennas as 802.11b.
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