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Outside Antenna

Inside Antenna

20 f

eet v

ertical or  

48 f

eet horiz

ontal f

or 

best per

formanc

e  

ASSESSING YOUR OUTSIDE CELLULAR SIGNAL LEVEL

EXCELLENT  

            GOOD  

                   POOR            NO SIGNAL

-50 dB         -60 dB         -70 dB          -80 dB          -90 dB          -100 dB          -110 dB

Outside Antenna Installation

2

Find your outside signal strength

R

Smoothtalker

Cellular Signal Boosters - Boosting Your Signal Anywhere

Quick Install Guide

Mount the outside antenna on the side of building or roof where the strongest 
Signal is indicated on your cellular device. Maintain a vertical distance of at least 
20 feet or a horizontal distance of at least 48 Feet between the Outside Antenna 
to the Inside Antenna. 

Connect Coax Cable and Antenna to Booster

3

Inside Antenna Installation

4

Connect the coax cable from the outside antenna to the booster location labeled
“Outside Antenna” Ensure that you use all cable provided (30’ Co-Ax Cable plus 
18’ cable on antenna) Connect to the booster the inside antenna (Blade) to 
location labeled “Inside Antenna”

Inside antenna

Outside antenna

Connect Power Supply

5

Available with Z170 model 

SEMD1

Connect the AC Power Supply to the Stealth Booster Unit, then to a surge 
Protected AC power strip with at least 1200 Joule rating. Once powered on 
Green and Orange lights should be solid. Note: if lights are flashing, please
refer to the LED lights status explanation guide on page 4.
The user manual or contact [email protected] .

SEMOGL

SRBL1

To view a detailed User Manual please visit:

https://www.smoothtalker.com/cellular-signal-boosters/building/stealthz1/bbuz160gbo/

Inside Antenna Installation

Using your Cellular device, determine the outside location with the strongest 
signal. This is generally the side of your location facing your nearest cell tower. 
Refer to chart below for outside signal strength. By capturing the strongest 
possible signal with your outside antenna will provide the best resulting 
coverage.

DCH6hv Power Supply

CBGmaGfe30

30ft RG6 Cable

After the desired location for the Inside Antenna has been determined, ensure 
booster unit is a minimum of 4 feet off the ground. 
And that the Inside (Blade) Antenna is positioned vertically straight up and down.

Smoothtalker.

com

Aurora, Ontario L4G 6V8

Tech Support

1-877-726-3444

R

Smoothtalker

Cellular Signal Boosters - Boosting Your Signal Anywhere

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