3. GET THE BEST PRICE FROM CALLBOOST

           30,000+  

        Signal Layout Solutions

             10,000+

                  Clients Service

               5000 ㎡

                        Production Base

CB75B PHONE SIGANL BOOSTER AMPLIFY MOBILE PHONE SIGNAL PERFECTLY

CB75B signal booster is of 75dB high gain,27dBm output power with AGC and MGC,ISO,etc, supporting B1/B2/B3/B4/B5/B7/B8/B12/B20/B28/N78 any non-overlapping single band,dual band,triple band,quad band, and penta band signals and supports 2G, 3G, 4G and 5G networks in most countries in South America, Africa, Middle East and Southeast Asia,Europe,etc. 

As a powerful cellular phone signal booster, it features a cast-aluminum chassis with good heat dissipation, beautiful appearance, simple structure, simple installation and maintenance, high gain, high output power, and a coverage area of different square meters, making it the best option for mobile phone coverage in residential areas, factories, malls, supermarkets and more.

  Please refer to the technical specification sheet at the bottom for detailed specifications.  

AGC BOOSTS SIGNAL STABLY

Increase 20X longer lifespain

Automatic gain control automatically adjust the output power based on the input power to ensure smooth signal output. When the input signal is too high, AGC will start control the signal booster, and the display light will turn orange or red. The output power of the phone siganl booster will be controlled by automatically adjusting the gain.

MGC AVOIDS INTERFERING TO BASE STASTION

1dB per step, adjustable gain within 31dB.

Manual gain control refers to pressing a button to adjust the gain by hands as you need. Compared to manual dial switches, our mobile phone signal repeater is more convenient to use.Thus,mobile phone signal repeater will not interfere the base station.

ISO ALARM

SELF-EXCITED ELIMINATION

Real-time isolation will be detected and give an alarm by our siganl booster, it can eliminate itself. Automatically reduce the gain when the signal booster getting self-excitation by not enough isolation.

AUTOMATIC SHUIDOWN FUNCTION

Uplink Sleep Function

1. Callboost phone signal booster shuts down the output automatically when severe self-excitation or overload, to avoiding damage of mobile phone siganl repeater.

2. Automatically sleep when there are no users in the coverage area,reducing interference to the base station too.

WE ARE FOUNDER - CERTIFICATE OF DESINE PATENT

We are the first one who design this device,please locked us CALLBOOST.

And nowadays we continuously update based on CB75B model phone signal booster. 

EASILY REPEL COMPETITORS AND BECOME YOUR OPTIMAL SIGANL CHOICE

Enhanced mobile phone call and network.Helping you to win contract getting successful bussiness.

Defeat weak siganl by using CB75B mobile phone signal booster,boost signal and ampliy your life.

1000SQM INDOOR BIG BUILDING

Our mobile phone signal repeater covers large places and meets different requirement such as office,building,parking lot,basement,shopping mall,etc.And we provide free siganl solution customized service including installing layout and guidance.

1KM OUTDOOR BIG COVER

Also,our phone signal booster could cover outdoor such as farm,village,sailing,tunnel,etc.You will get the most professional siganl solution.Just contact us to get it now!