User's Manual

Before You Begin.
IMPORTANT: Your Cel-Fi Signal Booster is electronic equipment. Both units must be
kept indoors and in a dry, cool, well ventilated area. To use this product, you need:
A T-Mobile 3G or 4G compatible mobile phone
An area inside your home that receives at least one bar of 3G or 4G coverage
Power outlets
Easy to install, Cel-Fi is a true plug-and-play system that doesn’t require the instal-
lation of antennas or cables.
All you need is one place in your home that gets at least one bar of 3G or 4G
coverage. Just a little bit of 3G/4G signal strength and the revolutionary new Cel-
Fi system will bring you blazing fast downloads, smooth video and surng, and
improved voice coverage throughout your home.
Step 1
Find the spot with the best 3G/4G coverage:
The rst step in setting up your Cel-Fi system
is to nd the spot in your home or oce that
has the highest 3G/4G signal level by using
your phone (3G/4G icon must be displayed).
This is typically by a window, and if you are in
a multi-story building, upstairs windows are
usually better than downstairs windows.
Step 2
Plug in the Window Unit:
Take the Window Unit and one power supply out of the box
(both power supplies are identical, so you can use either one).
Plug the Window Unit into an easily accessible outlet. Check
to make sure that you can see at least 1 “Bar on the display in
the center of the device. If you do not see at least 1 bar, try a
dierent location.
In this package you will nd:
Window Unit
• Coverage Unit
Two Power Adapters
WINDOW
UNIT
WINDOW
UNIT
COVERAGE
UNIT
T-mobile® Signal Booster
RS2 Dual Band
If you need additional information on features and services,
visit us at www.t-mobile.com or,
using an alternate phone, call us at 1-800-937-8997
Need Help?
This Cel-Fi Signal Booster is a T-Mobile-owned device. You will be charged up to $500 if
you fail to return the device after termination of your service with T-Mobile, move to a
dwelling that has a shared wall (townhouse, duplex, apartment or condo), or return it in
a damaged condition.
IMPORTANT INFORMATION ON LIMITATION OF 9-1-1 LOCATION SERVICES
If you are in range of this Signal Booster and are using your wireless phone to call
9-1-1, 9-1-1 location services may not be reliable, and emergency personnel may
not be able to accurately locate you. If you need to call 9-1-1, use a landline phone if
one is available. If you need to use your wireless phone, be prepared to give emer-
gency personnel the physical address or other description of your current location.
Not for resale.
Coverage, including T-Mobile’s 4G HSPA+ network, is not available everywhere.
Cel-Fi is a trademark of Nextivity, Inc. T-Mobile and the magenta color are registered
trademarks of Deutsche Telekom AG. ©2011 T-Mobile USA, Inc.

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