______
Step 7: Compare Results
Using the fi eld test mode described in step 3, measure the new signal
strength and write it down here ___________.
Compare this number with the original reading you took in the same part of the house.
If the number is higher (closer to zero) than the original reading without booster, your
booster is working. If it is not, look at the lights on the booster and the section at the
end of this manual "Test System: Lights".
Users on iOS 11 and above will need to use an alternative method using the bar
indicator on your cell phone and/or placing calls in diff erent locations.
Did you know a signal increase in just
3dB is 2 times the power and signal amplifi cation!
Signal Strength
EXCELLENT
CELL
TOWER
3G/1x
-70dBm
4G/LTE
-90dBm
DECIBEL GAIN
3dB
6dB
10dB
12dB
20dB
8
Signal Strength
GOOD
Distance from Cell Tower
-75dBm
-100dBm
POWER INCREASE
2 times the power and signal amplifi cation
4 times the power and signal amplifi cation
10 times the power and signal amplifi cation
16 times the power and signal amplifi cation
100 times the power and signal amplifi cation
CELL PHONE SIGNAL BOOSTER
Signal Strength
Signal Strength
FAIR
POOR
-90dBm
-105dBm
-108dBm
-115dBm
CONNECT 4G-X
Signal Strength
DEAD ZONE
-110dBm
-120dBm