Callboost 700 mhz LTE cellular amplifier 4g 800 signal booster 3g 850 repeater 1700 AWS PCS 1900 gsm 900 2g | Мобильные телефоны и

Callboost 700 mhz LTE cellular amplifier 4g 800 signal booster 3g 850 repeater 1700 AWS PCS 1900 gsm 900 2g | Мобильные телефоны и

Callboost Ultra Signal Booster

NEW Initial Public Offering

Click the picture above to get more choice.

Single band sigbal booster, 9 frequencies to choose.

 ALL are available in this link

Please check the frequency of your operator before placing order.

Frequency

GSM = 900mhz

Band5 = 850mhz

Band1 = 2100mhz

Band7 = 2600mhz

Band2 = 1900mhz

Band8 = EGSM 900mhz

Band3 = 1800mhz

Band20 = 800mhz

Band4 = 1700mhz

Band28 = 700mhz

Please leave a massage about which plug you need when you place order.

Or we will send according to our experience.

 2021 Mid-year NEW Mobile Cellular Amplifier CB65G Series

The most cost-effective cellular amplifier base on the same performance.

1.68dB High gain, 20dbm great power. It can be connected 1-3 indoor antennas in the meantime which can be stay with steady.

2.High-intensity covering 400-1000sqm without any barriers,which greatly meets your needs.

3.ALC function - Automatically control the signal strength, 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.

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

6.Minimalist Display - Clearly indicate signal strength by itself in real time.

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

8.Mini size in Minimalist style,make by metal matte material,Long-term usage without damage.

9.Equipped with power plug with 940mm USB connect cable(total length: 1150mm),which is convenient connecting without connection restrictions of socket.

1.CALLBOOST BOOSTER

2.USB adaptor

3.Instruction manual

4.Indoor whip antenna

* Each with 1pcs.

Minimalist Design For Generous One

68dB High Gain,20dBm Great Power

It can be connect 1-3 indoor antennas in the meantime which can be stay with steady.

HIGH COVERAGE PERFORMANCE,PROVEDE STRONG SIGNAL

High-intensity covering 400-1000sqm without any barries,which greatly meets your needs.

ALL OPERATORS AND MOBILE PHONES ARE SUITABLE

Supporting multiple phone users in different countries and operators in meanwhile.
Please make sure to select the correct frequency which is matched with your mobile phone.

HD CALL PLUS FAST SPEED NETWORK

No more dropping call,enjoy the Enjoy extremely speed of fast internet.

What's more, you can paly games or surfing online while you're calling.

INTELLIGENT CHIP IN PRECISION MAINBOARD

It run efficiently with high speed, not easy to short circuit,boost signal steadily.Signal passes faster

SIGNAL BOOSTER 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 5X longer life,intelligent control to enxtend the life of the device.

HOW TO PROTECT OUR QUALITY ?

Manufactured in our own factory.

Each signal booster will be strictly tested in serval time to ensure performance.

Booster will be test several times before we send.3 major indispensable procedures with PRODUCTION,DEBUGGING,AGING PROCESSING for STABLE BOOSTER'S SIGNAL.

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.

WILL IT BRING US RADIATION ?

Basically negligible, just like a mobile phone.It could keep you safe. No interference with base sation.

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.

FULL OF GODD MATERIAL, REFUSE TO DO SHODDY WORK

Made of metal material with ingenuity.

Minimalist Display - Clearly indicate signal strength by itself in real time.Every grill represent 20% signal has been receive,5 grid of signals will prove that 100% of the signal has been received (Note, the original setting of the signal grid is hollow.)

There are four situation about the display as the picture shows below

( *The original factory setting of signal grid is empty. )

Situation A - The empty signal grid keep flashing,it means that the device doesn't receive the signal successfully.

Situation B - Three signal grid appearing means the device have received 60% signal.

Situation C - Four signal grid appearing means the device have received 80% signal.

Situation D - Five signal grid appearing means the device have received 100% signal.

N-female connector design reducing loss to the greatest extent.

Equipped with power plug with 940mm USB connect cable(total length: 1150mm),which is convenient connecting without connection restrictions of socket.

DO YOU WANNA TRY THIS SIGNAL BOOSTER ?

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

Anyway you can enhoy 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.

 INSTALLATION STEP

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.