Cel-Fi™ DUO
Quick Start Guide
Get More from Cel-Fi WAVE
Cel-Fi WAVE is an application available on both smartphones and desktop
computers that allows users to interact with Cel-Fi, to access advanced and
supplementary features.
Dashboard:
Glance-able view to the state of your Cel-Fi
environment.
Advanced Mode:
Get a real-time technical overview of the
installation of your Cel-Fi Smart Signal Booster.
Booster Updates:
Keep your Cel-Fi Smart Signal Booster up-to-date
as new software versions become available.
Register: (When Required)
Easily register your Cel-Fi Smart Signal Booster.
NETWORK UNIT COVERAGE UNIT
Cel-Fi DUO Smart Signal Booster
A true plug-and-play system that doesn’t require the installation of antennas
or cables.
To use this product you need:
• A 3G, 4G, LTE compatible mobile phone with qualifying service
• An area inside your home that receives at least one bar of 3G, 4G, LTE
coverage
• Power Outlets
In this package you will nd:
• Network Unit
• Coverage Unit
• Two Power Adapters
• Two Brackets with hardware
™
For more information, and software, go to:
www.cel-.com/wave
Copyright © 2017 by Nextivity, Inc, U.S. Patents pending. All rights reserved. The Nextivity
and Cel-Fi logos are registered trademarks of Nextivity Inc. All other trademarks or registered
trademarks listed belong to their respective owners. Designed by Nextivity Inc in California.
qsg_DUO-eng-17-0227
BEFORE You Begin
Step 4
If you can nd a place in your home that gets at least one bar of 3G, 4G, LTE
signal, the revolutionary Cel-Fi DUO Smart Signal Booster system may bring you
smoother video and surng, and improved voice coverage throughout your home.
Cel-Fi DUO Smart Signal Booster is a true plug-and-play system that doesn’t
require the installation of antennas or cables.
Step 1
Find the location with the best coverage:
The rst step in setting up your Cel-Fi DUO Smart Signal Booster
is to nd the location in your home or ofce with the best mobile
network 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 ofce. Make
sure a 3G, 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, 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 different location.
NETWORK UNIT
DISPLAY
Step 3
Optimize the Network Unit placement:
The bars on the front of the device indicate the strength of
the mobile network signal in the area. Moving the Network
Unit to a different location in your home may increase the
signal, and can improve the quality of your service.
Signal Strength
BETTER
OK
2-3 bars
1 bar
BEST
4-5 bars
Place the Coverage Unit:
Place the Coverage Unit as far away as
possible from the Network Unit or where
you need coverage the most, making sure
that you have enough distance between
the two units. 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 farther away from the
Network Unit (see below).
OK
Two green icons
indicate that the
Coverage Unit is
functioning normally.
TOO FAR
Four red icons & a scrolling display
indicate that the Coverage Unit
needs to be moved closer to the
Network Unit.
SCROLLING DISPLAY
Step 5
Optimize the Coverage
COVERAGE UNIT
DISPLAY
TOO CLOSE
A zero on the numeric display
indicates that the Coverage Unit
needs to be moved farther away
from the Network Unit.
NETWORK UNIT
DISPLAY
WIRELESS CONNECTION
Unit placement:
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. Based on the Coverage
Unit number, you may need to move
farther/closer to the Network Unit.
For the best service, move the
5
Coverage Unit until an 8 or 9 displays.
COVERAGE UNIT
DISPLAY
For additional information about Cel-Fi DUO Smart Signal Booster Installation go to: www.cel-.com
Mounting Instructions
CONTENTS IN THE BOX
Network Unit Coverage Unit
Quick Start Guide
Mounting
Brackets (2)
Each Cel-Fi device may be supplied with mounting brackets and hardware to
mount both (or either) the Coverage Unit and the Network Unit.
NOTE: The brackets come equipped with screws and inserts for mounting in
standard drywall. Before you install the mounts, make sure there are no wires or
other objects, or metal plates, behind the drywall layer that will interfere with the
inserts, screws, mount, or mounted units.
Screws (4)
Drywall Anchors (4)
Power Adapters (2)
REQUIRED HARDWARE
Drill Anchor Holes (Drywall)
3
In each marked spot, use a 3/16" drill bit to drill guide holes for the anchors.
Install Mounting Bracket
5
Install Anchors (Drywall)
4
Determine Cel-Fi Device Location (refer to other side)
1
NETWORK UNIT
DISPLAY
Determine Mounting Hole Locations
2
COVERAGE UNIT
DISPLAY
Attach the Cel-Fi Unit to the wall mounted bracket
6
MOUNTING
HOLES
Figure 1
Back view with mounting holes.
IMPORTANT: Your Cel-Fi DUO Smart Signal Booster is electronic equipment.
Both units must be kept indoors and in a dry, cool, well ventilated area.
Figure 2
Backside of unit ts onto bracket hooks.
Troubleshooting
NETWORK UNIT
DISPLAY
Power & Status Indicator
LT E
Indicator
Signal
Indicator
COVERAGE UNIT
DISPLAY
Power & Status Indicator
Network Unit
Indicator
Coverage Unit
Indicator
Seven Segment Display
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 ashing
green.
LTE indicator is lit or not lit (what does
this mean?)
The device is not receiving power.
Network Unit hardware issue.
Network Unit does not have a 3G, 4G, LTE
signal.
Network Unit is setting up
communications with Coverage Unit.
The LTE indicator just means that 4G LTE is
available and is also being boosted.
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 coverage.
(Use your mobile phone to nd the best 3G, 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 indicator is not lit, you still
have boosted high speed 3G service.
Indicator Issue Try This
COVERAGE UNIT
No lights on the Coverage
NU
Unit display.
CU
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 powered.
System Error.
The Coverage Unit still trying to wirelessly
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 Network Unit to determine if the power
supply is defective.
Please check the seven segment display for an alternating Error Messages to determine
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 1 meter from the Coverage & Network Units.
Move the Coverage Unit farther away from the Network Unit. The separation distance
may be over 20 meter for a residence, and much farther for open commercial spaces.
Try and get an 8 or 9 on the display.
Move the Coverage Unit closer to the Network Unit.
PERFORMANCE
The Coverage Unit has
a boosted signal but
only in a small area.
ERROR
MESSAGES DISPLAY
Alternating E and
Numeric Error Code
If you see any other error messages or for additional information about Cel-Fi DUO Smart Signal Booster Installation go to: www.cel-.com/support
Indicator Issue Try This
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. More bars is always better.
Indicator Issue Try This
E1
E3
E4
E5
E7
E8
E9
No 3G, 4G, LTE signal at the Network Unit.
Coverage Unit is overheating.
Network Unit is overheating.
Registration Required.
Unit disabled by network.
Input signal at Network Unit too strong.
Your system has been moved from its original address.
Registration required due to location lock.
Try moving the Network Unit to another room or area where you have coverage. (Use your cell phone
to nd the best 3G, 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.
Register your address with your mobile network provider, using the Cel-Fi WAVE app.
Please call your cell phone provider.
Network Unit is too close to a cellular tower. Move your Network Unit to another location. You might
need to move your system to the other side of your home/ofce.
Either move the system back to its original location or register your new address with your mobile
network provider, using the Cel-Fi WAVE app.
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