GSM900 DCS1800 WCDMA2100  tri-band cell phone booster 

GSM900 DCS1800 WCDMA2100 Type: Triband Signal Booster
Output Power:27dBm
Gain:75dB
Connector Type: N-Female
Function:MGC AGC ALC

GSM900 DCS1800mhz 3G 2100mhz Tri band signal repeaters

A cell phone signal booster (also known as cellular repeater or amplifier) is a device that boosts cell phone signals to and from your mobile phone whether at home or office or in any vehicle. 

It does this by taking the existing cellular signal, amplifying it, and then broadcasting to an area in need of better reception.

If you're experiencing dropped calls, slow or lost internet connection, stuck text messages, poor voice quality, weak coverage, low bars, and other cell phone reception problems, a cell phone signal booster is the best solution that produces definite results.

We provides signal boosters kits for any Homes, Offices, Cars, RV's, Boats and more. All amplifier kits come with Indoor and Outdoor Antennas, Cables, Power adapters and more.

KT-GDW-27 Tri band repeater Features:

1. With unique appearance design, have good cooling function

2. With MGC function,(Manual Gain Control), Customer can adjust the Gain as needed ;

3. With DL signal LED display, help to install the outdoor antenna at the best state;

4.With AGC and ALC, make repeater work stable . 

5.PCB with isolation function ,make UL and DL signal not influence each other,

6.Low  intermodulation, high Gain ,stable Output power

KT-GDW-27  Dual band repeater is to support any two mobile band existing in the world to help end users to improve mobile signals for much better phone call quality and smoother data transmission. It is designed to support coverage area max can up to 800 square meters with proper engineering. Below are the main features.

1. The consumer repeater is an ideal solution for providing a cost effective improvement in cellular in-building coverage of a home, office, restaurant or building, in the quickest time possible.

2. Manual gain control (MGC) available for both uplink and downlink to adjust the gain value for proper coverage during installation or maintenance.

3. To maintain safe and specific output signal levels and give alarms on self-oscillation, the repeater has built-in AGC and ALC circuits, which can automatically control the gain of the repeater depending upon the strength of input signals.

4. Auto shut off function available for both uplink and downlink to avoid deep self-oscilation from jamming the towers, saving your trouble from operators. 

5.Wide band feature enables all devices operating within the wide frequency range of the repeater to see an improvement in performance.

6.Multiple phones and other handheld devices throughout a building can benefit from a wireless repeater.

7.Supports up to (500) users / calls simultaneously.

8.Extended phone battery life. (Your phone does not need to put out as much power due to improved reception.

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Specification of KT-GDW-27 Tri band repeater:

The installtion of the TRI-BAND cell phone signal Repeater

Outdoor antenna ( for receiving the signal from the BTS ) + Cable ( transfering the received signal) + Repeater ( for amplifying the received signal) + cable( for transfering the amplified signal) + indoor antenna( for shooting the amplified signal)

(Note : Omni indoor antenna is 3dBi,it can work with about 200m2 . If need repeater coverage larger area , need add moreantenna,the HPC-GDW27 Max can work with 8pcs indoor antenna.  ( when add antenna ,please remember to take splitters )

Installation steps 

Step 1 Start by taking your phone up to the roof or other location outside to find where the signal is strongest.

Step 2 Temporarily mount the Outdoor (outside) antenna in that location. You may need to adjust and move the antenna later.

Step 3 Run coaxial cable into the building to a convenient loaction (attic, etc.) where you can also get standard power for the Signal Repeater.

Step 4 Place the Signal Repeater in that location and connect the coaxial cable to the Outdoor Side of the Signal Repeater and the Outdoor antenna.

Step 5 Mount your Indoor (inside) antenna in a productive location. You may need to adjust or move the antenna later. More notes on Indoor antennas and patterns here.

Step 6 Connect coaxial cable between the Indoor antenna and the Signal Repeater output port.

Step 7   Power up the system and check for signal inside the building. If needed, tune system by moving and or pointing the Outdoor and Indoor antennas until they get the most signal possible.

Step 8 Secure all antennas and cables, securely mount the Signal repeater and clean up the installation.

Of course there are still a few more things to consider but in general, this is the basic procedure. For more information, please contact us.

Frequency range list for our repeaters :

Our repeater support above frequency range .

Our present manufacturing service:

1. Single-band repeaters of LTE/GSM/CDMA/PCS/DCS/WCDMA

2. Dual-band repeater of GSM/DCS; GSM/WCDMA; CDMA/PCS;

3. Tri-band repeater of GSM/DCS/WCDMA

4,Trunk Amplifier

5. All kind of Antenna/Splitter/Connector/Cable

Question: I work in an office building where my cell phone coverage in certain areas, including my office, is non-existent or spotty at best. How can I improve my coverage?

Answer: The requirement for reliable, always-on cell phone coverage within the office environment is increasing dramatically. It is not unusual to encounter trouble spots within a building where cell phone signals are weak or non-existent.

Kingtone repeater provides affordable and clear coverage to those trouble spots. The unit can be easily deployed and provides a coverage range of up to 100,000 square feet. Multiple units can be easily deployed to cover office areas and working locations.

Kingtone repeater

can be deployed even without access to the roof or outside.

1. Q: What is MOQ(mini Order Quantity)

welcome you to visit our company website: , for more information .