Safety Guide

Signaltransmissionlossandpowerlevel
Coverageareaability
Note: FCCregulationslimittheamplificationofallcellphoneboostersinorderto
prevent damage to the telecommunications infrastructure Therefore the maximum
prevent

damage

to

the

telecommunications

infrastructure
.
Therefore
,
the

maximum

coverageareaofaboosterdependsontheoriginalpowerlevelofthesignalcapturedby
theoutdoorunit.
Notice:Notrecommendedwhenoutdoorsignalstrengthislessthan‐110dbm(3G/1x)
or‐120dBm(4G/LTE).Theresultingcoverageareaoftheboostedsignalwillbe
prohibitively small
Powerlevel
attheoutdoorantennalocation
Coverage Area
(sq.ft.)
Strong(5 bars onthecellphone) 2,500
Medium(3~4bars onthecellphone) 1,300
prohibitively

small
.
Weak(1~2bars onthecellphone) 400
3