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(MEASURING BOOSTER PERFORMANCE cont.)
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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
SIGNAL
3G/1x
-70
STRENGTH
4G/LTE
-90
3G/1x
4G/LTE
Did you know a signal increase of just 3dB is 2 times the power and signal amplification!
12
GOOD
EXCELLENT
GOOD
-71
-85
dBm
to
dBm
-91
-105
dBm
to
dBm
-70
-71
-85
-86
dBm
to
dBm
-90
-91
-105
-106
dBm
to
dBm
CELL PHONE SIGNAL BOOSTER DRIVE X RV
FAIR
POOR
FAIR
POOR
DEAD ZONE
-86
-100
-101
-109
to
dBm
to
-106
-110
-111
-119
to
dBm
to
-100
-101
-109
-110
to
dBm
to
dBm
-110
-111
-119
-120
to
dBm
to
dBm
DEAD ZONE
-110
dBm
dBm
-120
dBm
dBm
dBm
dBm
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