User's Manual

CHAPTER 5: Configuration & Testing
Copyright 2011 Cellphone-Mate, Inc. All rights reserved.
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• Do not expect to see 5 bars of reception
everywhere in the building as this is practically
impossible. Also, signal strength in dB can vary
significantly without necessarily affecting the
number of bars displayed because different
phone and data card manufacturers handle
bars sightly differently.
• A good rule of thumb is that increasing gain by
6dB doubles the coverage distance of the inte-
rior antennas. Start at the lowest gain setting
and increase gain gradually as needed.
• If the red Warning light comes on, oscillation
is either happening or is about to happen and
protection circuits are activating (if equipped).
If oscillation is or becomes severe, the ampli-
fier will power down and will then wake every
30 seconds for the next 15 minutes to see if
the problem has been resolved. If the problem
has not been resolved after 15 minutes, the
amplifier will shut off and will need to be
unplugged and plugged back in again to reset.
• If you can’t get the system to work properly,
you may need to install an additional interior
antenna and/or a different type of interior
antenna and/or relocate interior antennas.