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Q
uestion What is infrastructure mode?
A
nswer When a wireless network is set to infrastructure mode, the wireless
network is confi
g
ured to communicate with a wired network throu
g
h
a wireless access point.
Q
uestion What is roamin
g
?
A
nswer Roamin
g
is the ability of a portable computer user to communicate
continuously while movin
g
freely throu
g
hout an area
g
reater than
that covered by a sin
g
le access point. Before usin
g
the roamin
g
function, the workstation must make sure that it is the same
channel number with the access point of dedicated coverage area.
Q
uestion What is ISM band?
A
nswer The FCC and their counterparts outside of the U.S. have set aside
bandwidth for unlicensed use in the ISM (Industrial, Scientific and
Medical) band. Spectrum in the vicinity of 2.4 GHz, in particular, is
being made available worldwide. This presents a truly revolutionary
opportunity to place convenient high-speed wireless capabilities in
the hands of users around the globe.
Q
uestion What is the IEEE 802.11
g
standard?
A
nswer Approved in June, 2003 as an IEEE standard for wireless local area
networks (WLANs), 802.11g offers wireless transmission over
relatively short distances at up to 54 megabits per second (Mbps)
compared with the 11 megabits per second of the 802.11b (Wi-Fi)
standard. Like 802.11b, 802.11g operates in the 2.4 GHz ran
g
e and
is thus compatible with it.