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(MEASURING BOOSTER PERFORMANCE cont.)
Signal Strength without Booster
Note here:
Signal Strength with Booster
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Having an accurate measurement of signal strength in decibels (dBm) is crucial when
installing your system. Decibels accurately measure the signal strength you are receiving.
EXCELLENT
SIGNAL
STRENGTH
3G/1x
-70
4G/LTE
-90
DID YOU KNOW a signal increase of just 3dB is 2
times the power and signal amplifi cation!
10
GOOD
-71
-85
dBm
to
dBm
-91
-105
dBm
to
dBm
CELL PHONE SIGNAL BOOSTER
FAIR
POOR
-86
-100
-101
-109
to
dBm
to
-106
-110
-111
-119
to
dBm
to
DEAD ZONE
-110
dBm
dBm
-120
dBm
dBm
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