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Basic Antenna Information
Wireless signals travel outward in an arc pattern from the
source. These radio frequencies lose significant signal strength
when traveling through walls, windows and other objects.
Materials like metal, stucco and thick concrete can actually
stop a wireless signal from passing through. Sometimes these
obstacles can be overcome by adding an antenna to your
wireless network.
Another issue is distance as the signal spreads outward from
the source it becomes dispersed and looses signal strength
and bandwidth. This is where an antenna helps the most in
increasing the overall signal and carrying it farther. An
average 8 dbi outdoor antenna can carry your signal up to 3/4
of a mile. Different Antennas have different signal patterns.
Signal range without external antenna
Signal range with external antenna
4
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