CEL-FI DUO User manual

Pantone: Black C
Pantone: 137C
Pantone: 542C
Cel-Fi DUO Smart Signal Booster
To use this product you need:
• A 3G, 4G or 4G LTE compatible mobile phone with
qualifying service
• An area inside your home that receives at least one bar of
3G, 4G or 4G LTE coverage
• Power outlets
NETWORK UNIT COVERAGE UNIT
Before You Begin.
If you can nd a place in your home that gets at least one bar of 3G, 4G or 4G LTE
signal, the revolutionary NEW Cel-Fi DUO Signal Booster system may bring you
blazing fast downloads, smoother video and surng, and improved voice coverage
throughout your home.
Cel-Fi DUO Signal Booster is a true plug-and-play system that doesn’t require
the installation of antennas or cables.
IMPORTANT: Your Cel-Fi DUO Signal Booster is electronic equipment. Both units
must be kept indoors and in a dry, cool, well ventilated area.
In this package you will nd:
• Network Unit
• Coverage Unit
• Two Power Adapters
If you need additional information on features and services,
visit us at www.cel-.com
This is a CONSUMER device.
BEFORE USE, you MUST REGISTER THIS DEVICE with
your wireless provider and have your provider’s consent.
Most wireless providers consent to the use of signal boosters.
Some providers may not consent to the use of this device on
their network. If you are unsure, contact your provider.
You MUST operate this device with approved antennas and
cables as specied by the manufacturer. Antennas MUST be
installed at least 20 cm (8 inches) from any person.
You MUST cease operating this device immediately if
requested by the FCC or a licensed wireless service provider.
WARNING. E911 location information may not be provided
or may be inaccurate for calls served by using this device.
When used with any mobile device utilizing the 1710-1755
MHz band, the FCC limits booster equipment placement to a
maximum of 10 meters above ground level. Installation of this
equipment which does not comply with federal requirements
may subject the owner to FCC enforcement action.
Changes or modications not expressly approved by Nextivity,
Inc. could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to part
15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause
harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be
determined by turning the equipment o and on, the user is
encouraged to try to correct the interference by one or more
of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent
from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician
for help
Items imported. See each item for country of origin. Coverage
is not available in some areas. See Terms and Conditions
(including arbitration provision) at Cel-.com for coverage
details, information and details, including important
limitations on availability and reliability of 9-1-1 emergency
service when using Wi-Fi calling.
Cel-Fi is a trademark of Nextivity, Inc. Designed by Nextivity in
California.
Quick Start Guide
CEL-FI DUO

For additional information about Cel-Fi DUO Signal BoosterInstallation go to: www.Cel-Fi.com
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Step 1
Find the location with the best coverage:
The rst step in setting up your Cel-Fi DUO Signal
Booster system is to nd the location in your home or
oce with the best cellular signal. Use your phone to
identify the area with the most bars of signal. Typically,
the best service will be near a window in the highest
oor of your home or oce. Make sure a 3G, 4G or 4G
LTE icon is displayed on your handset.
Step 2
Plug in the Network Unit:
Plug the Network Unit into an easily accessible
outlet near the area with the strongest 3G, 4G or 4G
LTE signal. (Note: the power supplies in your kit are
identical.) Make sure that at least one bar is displayed
on the signal strength indicator on the front of the
Network Unit. If you do not see at least one bar, try
a dierent location.
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
NETWORK UNIT
DISPLAY
2
1

Step 4
Place the Coverage Unit:
Move to a location in your home where you need to
improve coverage. Plug the Coverage Unit into an easily
accessible outlet. After several minutes, the numeric display
will stop cycling.
If your device is set up properly, the green icons will appear on the display as
seen above. It is possible to place the Coverage Unit too close or too far from
the Network Unit. If this happens, a red icon will illuminate indicating that you
need to move the Coverage Unit either closer to, or further away from the
Network Unit (see below).
TOO CLOSE
A zero on the numeric display
indicates that the Coverage
Unit needs to be moved farther
away from the Network Unit.
GOOD
Two green icons indicate
that the Coverage Unit
is functioning normally.
TOO FAR
Four red icons & a scroll-
ing display indicate that
the Coverage Unit needs
to be moved closer to the
Network Unit.
Step 3
Optimize the Network Unit Placement:
The bars on the front of the device indicate the strength of the cellular signal in
the area. Moving the Network Unit to a dierent location in your home may
increase the signal, and can improve the quality of your service.
Step 5
Optimize The Coverage Unit
Placement:
Place the Coverage Unit as far away as
possible from the Network Unit. The
number on the front of the Coverage
Unit display indicates the quality of
the placement. For the best service
experience, move the Coverage Unit
around your home until an 8 or 9 displays.
NETWORK UNIT
COVERAGE UNIT
NETWORK UNIT
DISPLAY
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

COVERAGE UNIT
DISPLAY
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For the best service, move the Coverage
Unit until an 8 or 9 displays.
5
5
43
BETTER
2-3 bars
BEST
4-5 bars
GOOD
1 bar
Signal Strength

qsg_DUO-NA-English_14-0714
Cel-Fi DUO Signal Booster Troubleshooting
Indicator Issue Try This
Indicator Issue Try This
No lights on the Network Unit
display.
Power indicator is red
Power indicator is green but no bars
on the Network Unit display
Power indicator is Flashing
Green
LTE lamp is lit or not lit (what does
this mean?)
No lights on the Coverage
Unit display.
Coverage Unit Power Indicator is
red.
Seven segment
display cycling for
more than a minute.
Zero displayed
The Coverage Unit and
Network Unit icons are red
with two arrows.
The device is not receiving power.
Network Unit hardware issue.
Network Unit does not have a 3G, 4G or
4G LTE signal.
Network Unit Is setting up communica-
tions with Coverage Unit.
The LTE indicator just means that LTE is
available and is also being boosted.
The device is not powered.
System Error.
The Coverage Unit still trying to wire-
lessly connect to the Network Unit.
The Coverage Unit is “Too Close” to the
Network Unit.
The Coverage Unit is “Too Far Away”
from the Network Unit.
1. Is the unit plugged in?
2. Is there power at the outlet?
3. Try exchanging the power supplies with the Coverage Unit to determine if the
power supply is defective.
Please check the Coverage Unit for an alternating error number to determine the
proper solution from the list of Error Messages below.
Try moving the Network Unit to another room or area where you have more cover-
age. (Use your cell phone to nd the best 3G, 4G or 4G LTE coverage).
Wait a few moments, once a path has been set up, the light will stop ashing.
If you have bars of signal on your Network Unit but the LTE lamp is not lit, you still
have boosted high speed 3G/4G service.
1. Is the unit plugged in?
2. Is there power at the outlet?
3. Try exchanging the power supplies with the Network Unit to determine if the
power supply is defective.
Please check the seven segment display for an alternating Error Messages to deter-
mine the proper solution from the list of Error Messages below.
1. Wait for the display to stop cycling. This could take several minutes.
2. Make sure that all other electronic devices (Wi-Fi routers, home phones, computers,
etc) are at least 2-3 feet from the Coverage & Network Units.
Move the Coverage Unit further away from the Network Unit. The separation
distance may be over 50 feet for a residence, and much further for open commercial
spaces. Try and get an 8 or 9 on the display.
Move the Coverage Unit closer to the Network Unit.
COVERAGE UNIT
NETWORK UNIT
E1
E3
E4
E8
No 3G, 4G or 4G LTE signal at the
Network Unit.
Coverage Unit is overheating.
Network Unit is overheating.
Input signal at Network Unit too strong.
Try moving the Network Unit to another room or area where you have coverage.
(Use your cell phone to nd the best 3G, 4G or 4G LTE coverage).
Make sure that the vents on the unit are not blocked. Move the unit to a cooler area.
The system will start working normally when it cools down.
The signal from the wireless network is too strong to use a booster.
ERROR
MESSAGES
If you see any other error messages or for additional information about Cel-Fi DUO Signal Booster Installation go to: www.cel-.com
Low Coverage Unit number or
Network Unit input signal.
Network Unit and Coverage Unit are
too close together or Network Unit
signal level is low.
Move the Coverage Unit away from the Network Unit to get a higher coverage
number. This can mean putting the Coverage Unit on the opposite end of your
home. Higher numbers indicate better coverage. You can also move the Network
Unit to an area with a stronger signal.
PERFORMANCE
The Coverage Unit
has a boosted signal but
only in a small area of my
home.
Indicator Issue Try This
Signal
Indicator
LTE
Indicator
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
Power & Status Indicator
Alternating E and
Numeric Error Code
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Power & Status Indicator
Seven Segment Display
Coverage Unit
Indicator
Network Unit
Indicator
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
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Indicator Issue Try This
((( )))