Callboost gsm 2g 3g 4g amplifier tri-band signal booster 900 1800 2100 repeater 850 PCS 1900 AWS 1700 |

Callboost gsm 2g 3g 4g amplifier tri-band signal booster 900 1800 2100 repeater 850 PCS 1900 AWS 1700 |

70dB High Gain,21dBm Great Power

900+1800+2100 / 850 1800 2100 /850+1700+1900 mhz is available in this link.

- WORK FOR 2G 3G 4G TRI-BAND CELLULAR AMPLIFIER -

Frequency

GSM = 900mhz

Band5 = 850mhz

Band1 = 2100mhz

Band7 = 2600mhz

Band2 = 1900mhz

Band8 = EGSM 900mhz

Band3 = 1800mhz

Band20 = 800mhz

Band4 = 1700mhz

Band28 = 700mhz

REQUENCY DON'T MATCH, IT CAN NOT WORK.

Please check the frequency of your operator before placing order.

- MY CHARACTERISTIC -

*EXTREMELY FAST INDEPENDENT NETWORK SPACE，ENJOYING HD SMOOTHLY CALL WHILE SURFING ON LINE.

1.70dB High gain, 21dbm great power. It can be connected 1-3 indoor antennas in the meantime which stay with steady.

2.High-intensity covering 800-1200sqm without any barriers,which greatly meets your needs.

3.ALC function - Automatically control the gain, stabilize the equipment,not easy to heat, which can extend the lifespan.

4.Intelligent chip in precision mainboard,make the equipment run efficiently with high speed, not easy to short circuit.Signal passes faster.Good filtering, frequency can be precise.

5.Supporting multiple phone users in different countries and operators,Russia,Spain,France,Chile,Brazil,Israel,Netherlands,New Zealand,Kazakhstan,Europe,etc.

6.Real-time Signal Display with indicator light.All functional indicators are clear at a glance,understanding sigal inreal time.

7.Low radiation for reducing interference with base stations and protects your health.

8.Make by metal material,Long-term usage without damage.

9.4 hanging holes design,installing more convenience.

10.TEMP monitoring and control.Real-time monitoring of equipment operating temperature and control.

11.Contour-designed specifically for the palm in retain the line beauty. It's suitable for palm arcs, easy to hand up or place.

Free return and Full refund for No Reason.

Booster will be test several times before we send.

3 major indispensable procedures with PRODUCTION,DEBUGGING,AGING PROCESSING for STABLE BOOSTER'S SIGNAL.

Put you in the online world,speed up all netcom network of 2G 3G 4G LTE.

Supporting multiple phone users in different countries and operators in meanwhile.Like Russia, Spain, France,Brazil,Chile,Israel,Europe,etc,and MegaFon,Movistar,Beeline,TELE2,Orange,Claro,Vivo,Oi,MTC,SRF,Free,etc.

Please make sure to select the correct frequency which is matched with your mobile phone.

- 70DB HIGH GAIN, 21DBM GREAT OUTPUT POWER -

1-4 Indoor Antennas Connected In Meantime Which Stay With Steady.

High-intensity covering 800-1200sqm without any barriers,which greatly meets your needs.

Wherever you need to improve the signal, our products will help.




- HD VOICE HELPING IN GAMES COMPETITON -

HD SMOOTHLY VOICE HELEING IN GAMES COMPETITION——THE KEY TO WIN.

Magic weapon in games,easy to promote.

- INTELLIGENT CHIP IN PRECISION MAINBOARD -

Signal propagation is one step faster because we have advance tech to make amplifier tube and precision filter.

Equipment run efficiently with high speed, not easy to short circuit.

- SIGNAL BOOSTER BOOST STEADY,SUPER FAST INTERNET SPEED -

Each product is tested in different procedures for R&D, production, debugging, and delivery by professional instruments.

We create superior device with the best materials to defeat weak signal.

- AUTOMATIC LEVEL CONTROL -

With 10X longer life,intelligent control to enxteng the life of the device.

Avoid interfering with the base station, no restrictions anymore.

- HOW TO PROTECT OUR QUALITY ? -

It is emphasized that the products have undergone careful research and development, high-tech production, strict testing,

and factory aging treatment to stabilize the signal, and each pass is strictly controlled to provide good quality.

- TEMP MONITOR AND CONTROL -

TEMP monitoring and control to prevent the equipment operating temperature from being too high.

- WHY NOT TO TRY THIS SIGNAL BOOSTER ? -

Purchase!Enjoy fast shipping.Just have a try if your cell phone signal is poor!

Anyway you can enjoy the free return and full refund for no reason.

The service is available for some countries, which are

Russia, Israel, Spain, France, Brazil, Italy, Poland, Germany, Saudi Arabia, Netherlands, Australia, etc.

- DISPLAY SHOWS THE GAIN IN REAL TIME BY SIGNAL GRID -

All functional indicators are clear at a glance by LCD display,understanding sigal in real time.

- STILL CONFUSED BY...... -

Q1:Where could be used?

A1:Home/Office/Village/Basement/Factory,etc.Every place where can receive good signal at high place(at least 3 bar),and meet the installation requirement below.

Q2:How do I know what frequency I need?

A2:Android system: Download App “ Network Cell Info Lite” and check LTE band with App

Apple system: call : *3001#12345#* ,Chick Serving cell info, check frequency band indicator

Samsung system:call #0011# or download network cell info lite app to check.

Q3:Will it work in village with no connection?

A3：As long as you can receive good signal at high place(at least 3 bar), which is meet the installation requirement in meanwhile,it could work.

A4:Yes, it is.

Q4:Network signal info shows Edge 2G,is there a chance to get 3G or 4G with amplifier?

A4:Yes, it is.

Please to test your mobile phone frequency of 3G/4G network in the place where you can receive 3G/4G signal,then purchase the matched frequency.

Q5:Will I get signal when the twor is xxx km away?

A5：Yes!As long as you can receive good signal at high place,you will hava no signal distress by following installation step.

Q6:Why I can't get HD voice,only get the internet?

A6:Please check whether the mobile phone is enabled for high-definition voice calls and make sure your operator supports HD calls.

Q7:Why it can't enhance  2G /3G /4G signal?

A7:Please check whether the frequency of your mobile phone is matched with the device or not.FREQUENCY DOEESN'T MATCH,IT CAN NOT WORK.

Q8:How does it work?

A8:First of all, the device needs to receive good outdoor signals by outdoor antenna. After being amplified by the amplifier, the amplified signal is output to the indoors and receive by your phone.So please make sure the frequency is matched, and your outdoor signal is good to receive,strictly following the installation to do.

More details and question,welcome to contact us,our aim is to customize the most suitable signal solution for you,

so that you have no signal troubles.

- CLASSIC APPEARANCE DESIGN IN WHIT,WHICH IS MORE NOBLE -

Good quality,only the real object can highlight the quality, and the heart is not as good as the action.

Hanging hole design is easy to install.

Come and see for yourself. What are you still thinking about?Just get it!

- METAL CASE COMBINE CONTOUR-DESIGN -

Contour-designed specifically for the palm in retain the line beauty. It's suitable for palm arcs, easy to hand up or place.

- PACKAGE LIST -

1.Callboost BOOSTER

2.Adaptor

3.Instruction manual

*Each with 1pcs.

- INSTALLATION STEPS -

installation video presentation , one-to-one guide installation.

Step1:Search a position where can receive good signal(stronger than -70dB)Parallelly installing the outdoor antenna on that location,towards to the base station or cell tower.

Step2: Use 10m cable to connect the outdoor antenna and singal booster.Please ensure they were tightenned joints,connected well. Step3:Connect the indoor antenna and the singal booster.

Step4:After finished all parts then check weather all connectors well,then can turn on the power.

Two antennas need to separate by brick wall. The distance between them at least 10 meters.

 HOW TO CHOOSE THE SUITABLE BOOSTER

How strong is the OUTDOOR signal?
Please make sure that you can receive at least 2 bars signal in the place where you plan to install the outdoor antenna.

Note:Please Off Wifi to display the network type at the top of the screen.
If it shows "0" or "unknow",please test more times outside at the signal strongest position.

Shipping

● We will send your parcel as per your choice of logistics as soon as posiible after payment confirmed, within 48 hours for normal,Except weekend and Chinaese holidays.

If you want another shipping way,please feel free to contact us,we will provide the most suitable shipping for you.

● Please provide your correct address,full name,and zip code.

● Tariff is an obligation that citizens of every country should fulfill. It is buyers responsibility to pay for the tax and custom clearance.

● If you do not receive the parcel within the protection time, please contact us at the first time, we would check it for you or extend the protection time.

After-sale service

● Please note that we always check and test the product twice before shipping and pack them well as far as possible. However we could not control anything during the long transit. Therefor, the product is broken at receiving, please contact us, we would resend you a new one.

● Our product have one year warranty. But please be cooperative to provide video or pictures to show exact the problem, and listen our suggestions for the installation.

● Any problem about the parcel or the prodcut, please feel free to contact us at the first time, we would be very glad to help and reply ASAP.

Feedback

● If you are satisfied with our service and product, we would be very appreciated that you put us five star and positive review. You could also recommend it to people who needs it. We would present coupon as little gift to you for thanks.

● For any reason you are not pleased with us, please contact us before left a neutral or negative feedback, we will do the best to solve you problem as soon as possible.