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perfect working status which means the booster has full output power that can

have optimal coverage.

LED

Status

Meaning

Solution Methods

1. Adjust antennas' directions or locations to lower down receiving signal level.

2. Slowly add the attenuation using the DIP switches.

3. Reduce the booster's gain by external attenuator or replace with lower gain

    antenna if above methods don't work.

Target:

 The work is accomplished until Alarm LED is "Green" or "Slow Flashing

Green".  Please note that "Green" LED may lead to lower coverage, which can be

improved by adjusting outdoor antenna to get stronger receiving signals.

Measures:

 Below options are recommended to eliminate "Quick Flashing Green"

and "Quick Flashing Red".

After all LEDs work fine, check whether the coverage is good or not. If it is good,

the booster system installation is completed. Below actions can be taken if the

coverage is still not good.
1) If the signals in most areas have not been improved, please check below again:

The weak receiving signal leads to the low output signal level. Change the

direction of outdoor antenna or its installation position or replace outdoor

antenna with higher gain antenna to increase receiving signal level.
Check whether it is necessary to add more indoor antennas since barriers

block the signal penetration. Also check whether the booster's power is enough;

Quick Flashing

Green

Quick Flashing 

Red

Output power 

is not full

Check coverage, leave it as it is if 

it is good; if coverage is not good, 

please increase receiving signal 

level

Not working properly.

Check coverage, leave it as it is if 

it is good. Actions must be taken if

coverage is not good or if you don't 

feel comfortable about Alarm LED 

quick flashing green light.

Alarm

LED

Green

Slow Flashing

Green

Full output 

power

Output power 

is over rated

The booster

 auto shuts off 

for protection due

to much over rated

Working properly

https://www.signalbooster.com/ | 1-855-846-2654 | [email protected]

Summary of Contents for F20-5S

Page 1: ...BOOST CELL PHONE SIGNAL BOOSTERS MADE BY HUAPTEC...

Page 2: ...oster System Trouble Shooting Specifications Product Warranty FCC RF Exposure Statement IC RF Exposure Statement Warnings Before you install Installation overview 1 Install Outdoor Antenna 2 Install I...

Page 3: ...r antennas and cables are required for installation purchased separately F27 5S Industrial boosters cannot transmit signals without an outside and inside antenna connected by a cable F27 5S can instal...

Page 4: ...na 2 Booster 3 Indoor Panel Antenna 6 Omni ceiling antenna RF cables wide band Yagi LPDA Antenna Panel Antenna Dome Antenna Panel Antenna Omni Ceiling Antenna Whip Antenna Lightning Protector Coupler...

Page 5: ...D Display Displays ISO status ALC status actual gain and downlink output power that makes booster installation and troubleshooting much easier MGC Control buttons to adjust the gain for both uplink an...

Page 6: ...the booster is on gain and power will light up on the screen Band Displays the working frequency Find below the list of frequencies displayed corresponding to the networks ULdB DLdB Gain indication Th...

Page 7: ...Strong receiving signal alarm indication When the booster is receiving to strong signal from outside output power gets overrated and ALC starts flashing Press Query key and LCD screen will display AL...

Page 8: ...gain value When LCD is in the fixed display mode press Query key for 3 seconds It will start up the Setting Mode and make the screen stay in the current status When LCD is in the fixed display mode pr...

Page 9: ...D display and intelligent self adaptive system LCD displays real time working state and intelligent self adaptive system can automatically calculate and adjust the booster to obtain its best performan...

Page 10: ...t comes in a kit and power on the booster Fix the outdoor antenna outside the window or on the top of the building and point it to the nearest cell tower Then have a look at gain and output power valu...

Page 11: ...igher speed data services 1 2 Install Outdoor Antenna Outdoor Yagi or LPDA Log Periodic Antenna is best for drawing strong signals from towers far away In many cases panel antenna is the best choice e...

Page 12: ...ll the indoor panel antenna as shown in the graph below Step 1 Select a place on the wall in an area where you need better reception Normally to provide an overall coverage you will need to choose a c...

Page 13: ...Step 3 Connect the outdoor antenna cables to booster connector marked outdoor Tighten the connection with hand or wrench Step 4 Connect indoor antenna cables to booster connector marked indoor Tighte...

Page 14: ...e observe the LCD display if the reading gain is less than rated value and ISO is flashing it means the gain is reduced by ISO function for not having enough isolation Measures One of below actions ar...

Page 15: ...not more than 30dB and less than rated gain Flashing but actual gain is more than 30dB No loop back or no self oscillation Deep loop back or self oscillation Slight loop back or self oscillation No ac...

Page 16: ...t current gain is not more than 30 dB and less than rated again Flashing but current gain is more than 30dB Output power is not weak or just suitable Full output power Too strong receiving signal Chec...

Page 17: ...ection or location to decrease receiving signal level or increase the distance 2 Add the vertical or horizontal distance between outdoor and indoor antennas 3 Use barriers like walls to increase the i...

Page 18: ...ink gain must be equal to or better to be 5dB less than downlink gain but it can t be more in order to avoid interference with mobile network Alarm LED indicates the strength of receiving signal of th...

Page 19: ...ge is still not good 1 If the signals in most areas have not been improved please check below again The weak receiving signal leads to the low output signal level Change the direction of outdoor anten...

Page 20: ...In most cases there is no need to take any measures from your part except for deep self oscillation or too strong receiving signals Therefore your actions are not mandatory since self adaptive booster...

Page 21: ...se expense with a dated proof of purchase and a Returned Material Authorization RMA number supplied by HiBoost HiBoost will supply two options repair or replace HiBoost will take charge of delivery fo...

Page 22: ...y This transmitter must not be co located or operating in conjunction with any other antenna or transmitter The device is compliance with RF exposure limits The minimum distance from body to use the d...

Page 23: ...at dissipation Any Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This device complies with part 15 of...

Page 24: ......

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