Radio Link/Laser
This is a wireless internet connection
technology linking 2 separate points with no
obstacle between with less than 30 Km
distance. The basic concept is similar to the
wired-system but excluding the cables and
replaces them with radio or laser wave. A specific
radio frequencies is essential in this mode, for
instance at 2,4 Ghz. Maximum speed can be
reached is 11Mbps.
VSAT
The name stands for Very Small Aperture
Terminal, asmall earth stationusedfor data, voice
and video communication. There are two
important devices for this method, outdoor
and indoor units. The outdoor transceiver must
be put in a line with satellite route utilized. The
indoor unit is used as an interface between the
transceiver and PC.
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Hot Spot
Awireless broadband service placed in a specific
area utilizing WLAN (Wireless Local Area
Network) system. This technology is commonly
applied in a crowd-public area such as airport,
railway station, library, hotel and shopping place.
The radius coverage is less than 100 meter wide.
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