SPECIFICATIONS

7 Generation Revision: Upgrade 7.0 version

Automatic Level Control: ALC Control makes longer life

Big Coverage: 400-1000sqm without barried

Brand Name: Callboost

CB G7 CPU: run efficiently, not easy to short circuit

CB65G Band3 1800MHz Frequency: B3 frequency available for selection

Callbosot Signal Booster: Band cellular signal amplifier

Certification: CE,RoHS

Choice: yes

Communication: Internet 2g 3g 4g network LTE internet for phone

DCS 1800 MHz Band 3: UL:1710-1785MHz DL:1805-1880MHz

For Operators: Claro,Oi,Claro,Movistar,Tigo,Nextel,TIM,Vivoetc.

GSM amplifier: Mobile signal amplifier cellular repeater

Gain(dB): 68dB

High Gain: 68dB

High Power Network Booster: Strong improve 2G 3G 4G signal

High-concerned chemical: none

Improvement: Improve GSM 2G/3G/4G HD call voice & network

Indoor Antenna: Celling antenna 2g 3g 4g connect cellular amplifier

Model Number: CB65G

Origin: Mainland China

Output Power: 20dBm

Power Supply: AC:100~240V, 50/ 60Hz, DC:5V 1A

RF Connector: N-Female

Single Band Network: 2g 3g 4g signal network

Small Size But Strong: 143*75*21mm;68dB,20dBm power

Suitable for: Colombia,Mexico,Brazil,Chile,France,Germany,Netherlands,New Zealand,South America,etc

semi_Choice: yes

Callboost Ultra Signal Booster

NEW Initial Public Offering

TOP Selling product and model

Band 3 1800MHZ Exclusive Offer Link

CB65G SINGEL SIGNAL BOOSTER

68dB 20dBm

Are you tired of dropped calls and slow internet due to poor cell phone

reception?

Callboost is here to help!

6 MAIN FEATURE MAKE IT PERFECT

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

Supporting multiple phone users in countries and operator.

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.

WE SMALL BUT WE STRONG

Minimalist Design For Generous One

68dB High Gain,20dBm Great Power

It can be connect 1-3 indoor antennas in the meantime

Suitable for one hall and multiple rooms

GREATLY MEETS YOUR DAILY NEEDS

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

2G 3G 4G

ALL OPERATORS AND MOBILE PHONES ARE SUITABLE

2G 3G 4G

Ensures compatibility with different carriers and frequency bands for reliable coverage

HD CALL PLUS FAST SPEED NETWORK

Enjoy the freedom of high-definition calls and high-speed internet

Say goodbye to lag, say goodbye to dropped calls, and enjoy a stable connection anytime, anywhere. Whether you are talking in HD, playing games, or chatting while watching a drama, you can seamlessly switch between multiple tasks, and the network is as smooth as the wind, so the experience has never been so free!

INTELLIGENT CHIP IN PRECISION MAINBOARD

Smart chip-driven, precision-engineered for peak performance

ultra-fast signal transmission, stable boosting,enhanced reliability

Minimizing short-circuit risks. Experience lightning-fast connectivity with unmatched efficiency! 🚀

PLEASE HAVE A TRY

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.

Self-selling and self-produced Directly traceable to the source

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.

SIGNAL BOOSTER STEADY SUPER FAST INTERNET SPEED

Why Choose Callboost?

Automatic Level Control for Longevity

Low Radiation Protection

Callboost emits only 20mG of radiation, much lower than common household devices like refrigerators (84mG), desktop computers (151mG), phones (192mG), and TVs (678mG).

This reduces interference with base stations and protects your health from excessive radiation exposure.

 PACKAGE LIST

1.CALLBOOST BOOSTER

2.USB adaptor（EU/US/AU/UK Plug,please choose!）

3.Instruction manual

* Each with 1pcs.

Troubleshooting Common Issues

Product Details

 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.

This cost-effective, high-performance cellular amplifier offers 68dB high gain, 20dBm power, and coverage up to 400-1000sqm, with features like ALC for stable operation, low radiation, minimalist design, and support for multiple users across countries and operators—all in a durable, compact, and health-friendly package.

HURRY UP TO ORDER IT!!!

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.