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BASE UNIT LED INDICATORS

At Initial Power Up Only

After Initial Power Up

Solid GREEN

Solid RED

Normal condition.

System is receiving signals from either the mobile device or 
the base station transceiver which are too strong for proper 
operation. Unplug your system and re-orient the Signal 
Antenna and/or Panel Antenna to reduce excessive signal. If 
LED remains RED after reconnecting power, contact 
customer support at 1-800-871-1612. 

Solid GREEN

Slowly Alternating 
RED and GREEN

Fast Flashing RED 

Solid RED

Fast Alternating 
RED and GREEN 
followed by no light

Normal condition at power up.

zBoost is working at reduced performance and coverage due 
to “non-ideal” setup. Increase the distance between Signal 
and Panel Antennas for optimum performance.

Indicates insufficient distance between the Signal and Panel 
Antenna. The system is operating at significantly reduced 
performance. Increase antenna separation.

System is receiving signals from either the mobile device or 
the base station transceiver which are too strong. Move cell 
phone away from Signal Antenna or move Signal Antenna 
away from other devices.

The amplifier is disabled.

Signal is emitted withing a  beamwidth of 

70° horizontally and 60° vertically 

SETUP OVERVIEW

zBoost

®

 SOHO

Xtreme YX545x

DMAN-0047 Rev B

SETTING UP YOUR zBOOST

®

 SIGNAL BOOSTER

Designed for consumers, the zBoost SOHO Xtreme cell phone signal booster 
extends a Cell Zone

TM

 for multiple users and all devices operating on 800 and 1900 

MHz frequency bands except those using Nextel/iDEN. zBoost boosts signal up to 
5500 square feet, making it perfect for the home or office.

Before installing, please note the following important factors in determining your 
zBoost performance:

• 

At least 15 vertical feet is needed between the Signal Antenna (receives the 

outside signal) and the Panel Antenna (rebroadcasts the signal indoors). Separation 
less than 15 vertical feet will result in decreased performance. See illustration below. 
• 

Keep the Signal Antenna at least 3 feet above any metal.

Boost voice and data transmission and increase call clarity in 4 easy steps:

FIRST: Mount the Signal Antenna. 

Choose a location for the Signal Antenna using 

your cell phone to determine the area of strongest signal - typically found outside, 
above the roofline or in an attic. The antenna must also remain at least 3 feet from 

any metal. 
Keep in mind that the 
coverage zBoost provides is 
largely determined by the 
quality of signal received by 
the Signal Antenna. If your 
best signal is one bar, your 
coverage will be limited to one 
small room. 
IMPORTANT: Incorrect 

assembly of the Signal Antenna to the mounting bracket (

see figure A

) will impede 

performance. Ensure that the Signal Antenna is properly positioned in the mounting 
bracket as pictured. 

To mount Signal Antenna to a pole:

 Attach antenna to pole bracket as pictured. 

Use U-Bolt to secure bracket to pole and fasten. DO NOT mount to a metal pole.

To mount Signal Antenna to a flat surface

: Attach antenna to pole bracket as 

pictured. Secure bracket to desired surface using provided screws. Use of the 
Saddle and U-Bolt are not necessary for this option.

SECOND:  Install the Base Unit and Panel Antenna. 

The Base Unit can be easily 

mounted on a wall by first removing the orange bracket from the Base Unit and using 
the provided mounting hardware to affix to wall. Connect the Indoor Panel Antenna 
to the 15 feet of RG-6. Then, using the TNC-F Adaptor, connect the RG-6 to the Base 
Unit.
The Panel Antenna should be mounted on a wall facing the direction where 
increased coverage is desired. Note that signal is broadcasted in a beamwidth of 70° 
horizontally and 60° vertically from the front of the Panel Antenna. Keep the Panel 
Antenna off floor and at least 3 feet away from other cords, metal objects or other 
wireless devices such as wireless routers or wireless access points. The zBoost 

Xtreme performs best when 
there are no obstructions 
between the Panel Antenna 
and your mobile device.
The zBoost SOHO Xtreme 
requires at least 15 feet of 
vertical separation between the 
Panel and Signal Antennas. 
Generally, increasing this 
distance (up to 40 feet) will 
increase the performance and 
decreasing the distance will 
limit zBoost performance. 

THIRD: Run the provided coaxial cable between the Base Unit and Signal 
Antenna.

 Use the provided 50 feet of RG-6 cable to connect the Signal Antenna and 

the Base Unit. Should you need additional cable length, 15 foot  extensions 
(Part #: YX030-15w) are available at www.zBoost.com. Please note: Cable longer 
than 65 feet is not recommended.

FOURTH: Connect the zBoost Base Unit to the provided power supply and 

Download the SOHO Xtreme YX545x User Guide at www.zBoost.com

PACKAGE CONTENTS

zBoost Base Unit

Panel Antenna, 
TNC-F Adaptor 
and RG-6, 15 ft

Coax Cable

RG-6, 50 ft

Power Supply

Signal Antenna

and Mounting Hardware

User Guide available 

at www.zBoost.com

SETUP OVERVIEW

Setup Overview

*Note: An 8 inch window entry cable may be needed for this option. It is available for purchase at www.zBoost.com (Part #: YX030-08W)

plug into a power outlet. 

When your zBoost system is in place and fully 

connected, walk throughout your home or office and verify that you are able to 
reliably place calls. If the signal strength has improved, your zBoost is working. 
Remember, coverage varies based on outdoor signal level, building construction, 
and antenna placement. Coverage in adjoining rooms (next to, above, or below) will 
be reduced by walls and ceiling/floors. 
Upon initial power up, a solid GREEN LED should appear indicating normal 
conditions. If a RED light appears, adjustments may be needed to optimize 
performance. If you find the increased signal coverage is acceptable, however, no 
additional adjustments are needed. See LED Indicator section for more information.

Should you desire to improve coverage, you may:

•  Relocate the Signal Antenna to capture a stronger signal–higher is better.
•  Increase the distance between the Panel Antenna and the Signal Antenna. 
•  Purchase an upgrade Signal Antenna (YX039) available at www.zBoost.com.

Maximum Performance

Minimum Performance

15’ of vertical 

separation

15’ of vertical 

separation

15’ of vertical 

separation

15’ of vertical 

separation

Si

gnal is

Cell Tower

Figure A

zBoost Base Unit

Power Supply

Panel Antenna

Coaxial Cable

Signal Antenna

RG-6, 15ft

1

2

3

Pole Bracket

Saddle

U-Bolt

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