CEL-FI GO G41 4G LTE Cell High Gain Signal Amplifiers

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Product Information

Specifications

• Product: Cel-Fi GO G41
• Address: 5010 Wright Road, Suite 110 Stafford, TX, 77477
• Phone: 1-800-470-6777
• Website: www.signalboosters.com
• Email: sales@signalboosters.com

Product Usage Instructions

What You Should Know Before Installation

The Cel-Fi GO G41 requires existing signal to function. Ensure
you have signal reception in the area before installation. For
assistance, contact us at 1-800-470-6777.

Antenna Locations and Signal Quality

Proper placement of the outdoor (donor) antenna and inside
antenna is crucial for optimal performance. Use the Antenna
Position Test in the Wave app for best results.

Compatibility

The Cel-Fi GO G41 is compatible with AT&T, Verizon,
T-Mobile, US Cellular, and all other US carriers and MVNOs. Use the
Cel-Fi WAVE app to set which carrier to amplify.

Antenna Types

Outdoor Antennas:

• Yagi (Directional): Provides up to +11 dBi of
  gain, requires aiming.

• The Arrow (LDPA): Offers a 30-degree
  directional beam with an effective range of over 10 miles.

• The Long Ranger (Ultra-High Gain): Provides up
  to +28 dBi of gain with a 10-degree directional beam.

Indoor Antennas:

• Indoor antenna options available in the kit.

Isolation and Necessary Separation

Ensure proper isolation between outdoor and indoor antennas to
prevent oscillation. Maintain at least 50 feet of horizontal
distance or 20 feet of vertical distance between the antennas for
optimal performance.

FAQ

Q: What should I do if I have no existing signal?

A: If there is no signal in your area, the Cel-Fi GO G41 will
not work. Contact us for further assistance.

Q: Can I change the carrier to amplify?

A: Yes, you can set the carrier to amplify using the Cel-Fi WAVE
app at any time.

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USA
CEL-FI GO G41
INSTALLATION GUIDE
PLEASE READ THIS FIRST Thank you for purchasing the Cel-Fi GO G41. It is the most powerful signal booster in its class, but following the instructions for set up is very important. This installation guide contains everything we’ve learned from helping hundreds of people just like you to boost their signal Give this a read before you start, as it will save you time in the long run. Should you encounter any problems with your Cel-Fi GO G41 installation, or would like someone to walk you through it, don’t hesitate to call us at 1-800-470-6777.
5010 Wright Road, Suite 110 Stafford, TX, 77477
1-800-470-6777
www.signalboosters.com sales@signalboosters.com

CONTENTS
WHAT YOU SHOULD KNOW BEFORE INSTALLATION …………………………… 1 COMPATIBILITY ……………………………………………………………………. 1
1 · ANTENNA TYPES …………………………………………………………………….2 2 · ISOLATION AND NECESSARY SEPARATION ………………………………….. 4 3 · ANTENNA AND AMPLIFIER PLACEMENT ……………………………………… 5 3 · CONFIGURATIONS ………………………………………………………………….. 7 4 · B O O S T E R A S S E M B LY ………………………………………………………………. 8 5 · SYNCH THE CEL-FI GO-X TO YOUR CARRIER
WITH THE CEL-FI WAVE APP ………………………………………………….. 11 6 · FEATURES OF THE WAVE APP …………………………………………………. 12 7 · TIPS AND FAQS ……………………………………………………………………. 15

WHAT YOU SHOULD KNOW BEFORE INSTALLATION

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donor) antenna, and an inside antenna. There are two main issues people have when installing

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We might as well get the biggest problem out of the way now: if you go all over your property and cannot make a call or get reception of any kind, the Cel-Fi GO G41 will not work for you. The booster requires existing signal to function. Without that, it won’t function. Please call us at 1-800-470-6777 for a return.

ANTENNA LOCATIONS AND SIGNAL QUALITY MATTER

MORE THAN ANYTHING.

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sections carefully. Getting these two things right is the key to getting great coverage. Use

the “Antenna Position Test” in the Wave app for best results.

C O M PAT I B I L I T Y
The Cel-Fi GO G41 works with:
AT&T Verizon T- M o b i l e US Cellular And all other US carriers and MVNOs
As a reminder, you will need to set which carrier to amplify via the Cel-Fi WAVE app. The carrier can be changed at any time. For more on this, see Page 11.

1

1 ANTENNA TYPES
There are three major types of outdoor antennas used by the Cel-Fi GO G41. Your default kit configuration will include at least one of these outdoor antennas.
OUTDOOR:
Yagi (Directional) – Gathers signal from the direction you point. Requires aiming, but provides more power to the system. The Yagi bundled with your Cel- Fi GO G41 has a 45-degree directional beam and up to +11 dBi of gain.

BT512389

The Arrow (LDPA) – A versatile high-gain antenna, The Arrow has a 30-degree directional beam and effective range of over 10 miles. Great for rural and suburban areas which need that extra bit of power.

BT974921

The Long Ranger (Ultra-High Gain) – Our most powerful outdoor antenna option. With a 10-degree directional beam, this provides up to a staggering +28 dBi of gain. It is designed for the most rural areas with the worst signal, but requires precise aiming.

BT974822

2

1 ANTENNA TYPES

INDOOR:
Dome ­ Projects boosted signal in a 360 degree circle. Provides less power than a panel antenna, but covers more area. Best for wide open spaces and drop-tile ceiling, but can be used anywhere for improved effect.

BT512600

Low-Profile Dome ­ A high-gain, inconspicuous dome antenna with similar functionality. A great option for wide-open rooms and office spaces, but can be installed anywhere, including hallways and small rooms.

BT512358

Panel ­ Projects boosted signal in a 45 degree directional beam. A panel antenna provides more power than a dome antenna, but can be trickier to implement effectively. Best for hallways and places where projecting signal over a long distance. They can be mounted in an attic of a 2 story house pointed down to illuminate 1st floor.

BT974143

3

2 ISOLATION AND NECESSARY SEPARATION

ISOLATION IS A MEASURE OF SEPARATION BETWEEN THE INDOOR AND OUTDOOR ANTENNAS.

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“oscillation.” Oscillation is a type of feedback that occurs if the indoor and outdoor

antennas are too close together.

The more isolation between the outside and indoor antenna you have, the more the Cel-Fi GO G41 will be able to amplify your signal, and the better your signal will be inside the building. As a general rule, you should strive to have either 50 feet of horizontal distance or 20 feet of vertical distance between the outdoor and inside antennas.

EXAMPLE OF POOR ISOLATION
Not enough vertical separation between outdoor and indoor antenna.
Not enough horizontal separation between outdoor and indoor antenna.
Not enough building materials between indoor and outdoor antenna.

EXAMPLE OF GOOD ISOLATION

Good vertical separation. Outdoor antenna pointing away from indoor antenna. Multiple layers of building materials between antennas.
*Note – Antenna placement is one of the major considerations for avoiding isolation issues during installation.
4

3 ANTENNA AND AMPLIFIER PLACEMENT

OUTDOOR ANTENNA PLACEMENT

Finding the best location possible for the Outdoor Antenna is critical. There are two things you need to consider:

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2 Signal quality

If you end up with a situation where you have to prioritize avoiding oscillation over somewhat higher quality signal, prioritize avoiding oscillation. However, remember ­ if you’ve only got good quality signal in one outdoor area, that’s where the outdoor antenna should be placed, no matter what.

HOW TO MEASURE SIGNAL QUALITY

For some buildings, the location with the best signal may be on top of the roof. In others,

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There are four ways you can measure signal quality:

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2 Download the OpenSignal app for iPhone or the Network Cell Info Lite app for r i e me

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app

4 Use Wave Antenna Pointing Feature

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with your phone. If you can safely get up on the roof check the signal there. You’re looking

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antenna locations.

5

3 ANTENNA AND AMPLIFIER PLACEMENT

INDOOR ANTENNA PLACEMENT

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BT974143

BT512600

BT512358

FINE TUNING YOUR ANTENNAS

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compare multiple Outdoor Antenna locations, and will help you aim the antenna

at the source of the best signal.

AMPLIFIER PLACEMENT
Your Cel-Fi GO G41 should be placed in a cool, dry area with access to a power source. For best results, use an uninterruptible power supply and surge protector to allow for its continued function during blackouts.

6

The Arrow (N – F)
OR
The Long Ranger
(N – F)
OR
The Quicksilver
(N – F)

2Ft Jumper Cable (N-M TO N-M)

Surge Protector (N-F to N-F)

30Ft Cable (N-M to N-M)

Power Supply
GO G41 Amplifier (SMA-F to SMA-F)

Connectors (SMA-M to N-F)

DUAL ANTENNA KIT

OR

SINGLE ANTENNA KIT

Connectors (SMA-M to N-F)
2Ft Jumper Cable (N-M TO N-M)

Connectors (SMA-M to N-F)

2 Way Splitter

30Ft Cable (N-M to N-M)

30Ft Cable (N-M to N-M)

OR
Panel or Dome Antenna (N-F) 7

OR
Panel or Dome Antenna (N-F)

30Ft Cable (N-M to N-M)
OR
Panel or Dome Antenna (N-F)

4 BOOSTER A S S E M B LY G E T T IN G T HE PARTS SE T U P REFER TO THE DIAGRAM ON THE NEXT PAGE 8 AS NEEDED. 1. Connect the two Connectors (SMA-M to N-F) cable adapters to each side of the amplifier.
2. Note the two icons (Cellphone and Antenna Tower) by the Cel-Fi unit’s two SMA connectors.
The Tower Icon connects to Outdoor Antenna and Cell Phone Icon connects to indoor antenna. 3. Connect the cables to the SMA-M to N-F Connectors and hand- tighten them.
Make sure to uncoil the cable before connecting the Antennas.
8

4 BOOSTER A S S E M B LY GETTING THE PARTS SET UP

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5. Connect the Outdoor Antenna to the 2 ft cable, Lightning Surge Protector, and long

cable. The Surge Protector should be installed outdoors, just before the cable enters the

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ground wire and ground rod

not included). Make sure you connect the outdoor “donor” antenna feed to the side of the

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Disclaimer: We highly recommend using a ground wire and ground rod when installing a signal booster.

9

5 SYNCH THE CEL-FI GO G41 TO YOUR CARRIER WITH THE CEL-FI WAVE APP

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remote monitoring, real-time status updates, and more. To

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r your carrier of choice), you’ll need to follow these steps.

· Download the “Cel-Fi Wave” app to your phone or tablet
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· Open the app while keeping your phone within 4 feet of the Cel-Fi GO G41 to start pairing. This may take a few minutes, the app will say “searching,” “syncing data,” and
all a eri a a.

· Register your device when prompted to do so. This is required by law.

· Check that your carrier is shown in the bottom left of the “Dashboard” screen.

If your carrier is not selected for your provider you will

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[ i.e. Settings – Carrier – This change will take 10-15 minutes].

Note: Update the software for the Cel-Fi GO G41 if necessary (this may take 10 to 20 minutes).

CHANGING CARRIER BEING BOOSTED
To change the carrier, go to “Settings” and then “Carrier”. Changing carriers takes a few minutes, so don’t turn off your booster or move your phone away during the process. This is necessary for your booster to function properly.

10

6 FEATURES OF THE WAVE APP
THE ANTENNA POSITION TEST
The Wave app comes with an Antenna Position Test that can help you achieve the best signal quality.
1. la e r i r a e a approximately where they will be installed.
2. In the Wave app, go to the “Settings” tab, and under the “Antenna Settings” tab select the “Antenna Position Test” option.
3. The app will guide you through taking multiple measurements. Try multiple outdoor antenna locations and directions.
On the Wave app while checking your Antenna Positions it will give you the option of 8 different positions and see what the app feels is the best position for the antenna. It is best to do these Antenna Positions in a 360 degree circle to find your best position. As
p i e a e a e em app is looking for what it believes is the best signal, not necessarily what is the strongest signal.
11

6 FEATURES OF THE WAVE APP
THE ANTENNA POSITION TEST CONTINUED
4. The higher the number, the better the signal.
5. Once you’re done, the Wave app will calculate the best location for your outdoor antenna.

· Stationary Mode has up to 100 db of amplification whereas the Mobile option only has 65 db f amplifi a i m le .

· For advanced users if you need

to turn off troublesome bands

you can do so under Channel

Settings – Band Settings and click

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do not want the amplifier to use.

We DO NOT recommend making

any changes on this section

unless you are an advanced user.

12

6 FEATURES OF THE WAVE APP

BOOSTER MODE
Under the “Booster Settings” section of the “Settings” tab of the Wave app, there is an option to change the booster mode from “Stationary” to “Mobile.”
The Mobile setting should only be used if you are using the booster on the go in a vehicle or RV. It reduces the gain of the unit from 100 dB to 65 dB. This mode requires a different antenna setup optimized for vehicles.

BANDS

The “Bands” settings under the “Booster

Settings” section allows you to control which

bands are scanned and amplified by the Cel-Fi GO

G41. In some cases, the carrier networks will try to

hand you off to the highest band automatically,

even if it isn’t the best quality signal. Lower

frequency bands also propagate further. In such

cases, it can help to lock the Cel-Fi to just the

fre e

a 1 1 r1 .

Here are how the band numbers show match up to different frequencies:

Band 12/13/17 = 700 MHz; Band 2 = 1900 MHz; Band 4 = 2100 MHz; Band 5 = 850 MHz.

This is fairly advanced, however, and in general simply switching the amplifier to your carrier should be enough to see a significant improvement in your signal quality.

13

7 TIPS AND FA Q S

INSTALLATION TIPS
If you unplug the cable from the outdoor antenna, make sure to reset the Cel- Fi GO G41. The Cel-Fi GO G41 will start scanning as soon as you unplug the cable to the outdoor antenna. To make sure it scans all the frequencies, restart the unit after you reconnect the cable.
If you can, cut and crimp any longer lengths of extra cable. If you can’t do that, make sure to keep any cable loops as large as possible to minimize negative side-effects (4 ft or wider loops are best).

FREQUENTLY ASKED QUESTIONS

How do I know if I have enough isolation between outdoor and indoor antennas?

Under the “Advanced” tab of the Wave app, look at the “Downlink TX Power”

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for best performance.

What can I do to improve the number of bars my phone is showing or

increase my upload and download speeds?

The most important thing you can do improve performance is to improve the

signal quality at your outside antenna. Look at the “Donor SINR” measurement

for each Super Channel under the “Advanced” tab of the Wave app. Your Donor

SINR should be at least 0 dB. If you can get to 3 dB or higher, that’s great ­

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.

To improve SINR, try moving the outdoor antenna to new locations, and

pointing it in different directions. You can also upgrade your outdoor

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SignalBoosters.com).

14

Notes
15

Notes

NEED HELP? WE’RE READY AND WAITING.
Signal boosters aren’t always easy to install. In fact, getting everything up and running can sometimes be a pain. But the end result is worth it. SignalBoosters.com provides lifetime technical support on every system we sell. We’ve installed hundreds of these devices ourselves, and can walk you through troubleshooting and fine-tuning your installation for best results. Simply give us a call, start a live chat on our website, or send us an email.
5010 Wright Road, Suite 110 Stafford, TX, 77477
1-800-470-6777
www.signalboosters.com sales@signalboosters.com

References

• Signal Booster Company | Cell Phone & WiFi | Signal Boosters
• Signal Booster Company | Cell Phone & WiFi | Signal Boosters

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