triband signal booster 2g/3g/4g signal booster/repeater gsm 900/1800/2100MHz

$304.00 / Set | 1 Set (Min. Order)
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Quick Details
Place of Origin:
Brand Name:
Model Number:
Frequency Range:
890-915, 935-960; 1710 ~ 1785 MHz 1805 ~ 1880MHz 1920-1990, 2110-2170
Gain (dB) Uplink:
≥ 70
Gain (dB) Downlink:
≥ 75
Output Power (dBm):
≥ 27dBm
I /O Port:
Coverage Area:
800 square meter
Automatic Level Control:
≥ 20dB
Power LED:
Power Indicator
Tri band mobile signal repeater

Packaging & Delivery

Selling Units:
Single item
Single package size: 
55X37X33 cm
Single gross weight:
12.0 kg
Package Type:
In box
Lead Time :

triband signal booster 2g/3g/4g signal booster/repeater 900/1800/2100MHZ


Model: RP-GDU3000


One set including:

1x tri band repeater of 900/1800/2100mhz(model: RP-GDU3000),

13pcs indoor ceilling antenna

1pcs outdoor log periodic antenna

4pcs N male to N male connector

4 pcs 4 ways splitter



A mobile phone signal booster is a device that boosts mobile signals to and from the mobile phone whether at home, office, basement or in 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, this booster is the best solution that produces definite results.


It helps end users to improve mobile signals for much better phone call quality and smoother data transmission. It is designed to support coverage area max up to 800 square meters with proper engineering. Below are the main features.

1. The 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).



* With unique appearance design, good cooling function

* With MGC (Manual Gain Control) function, you can adjust the gain as needed ;

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

* With AGC and ALC, make repeater work stable.

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

* Low intermodulation, high Gain, stable output power


Frequency rangeGSM900: Uplink 890-915MHz   Downlink 935 ~ 960 MHz
DCS: Uplink 1710 ~ 1785 MHz  Downlink :1805 ~ 1880MHz
WCDMA: Uplink 1920-1980MHz   Downlink : 2110-2170MHz
Gain ( dB)Uplink  Gp≥70
Downlink   Gp≥75
Output power (Po)Uplink ≥ 24dBm Dowlink:≥ 27dBm
MGC ( Step Attenuation )≥ 31dB / 1dB step
Automatic Level Control      ≥ 20dB
Noise figure≤5dB
VSWR≤ 2.0
Group Delay≤ 1.5μs
Frequency stability≤ 0.01ppm
Mechanical  Specifications 
Mechanical  SpecificationsN-Female
Impedance50 ohm
Operating Temperature-25ºC~+55ºC
Coverage Range800sqm
Environment ConditionsIP40
Weight≤ 3.50Kg
Power SupplyInput AC90-264V,output DC 5V / 6A
Power LEDPower Indicator
UL LEDBe lighted when there is phone calling
DL 1Be lighted when Outdoor signal is -65dB
DL 2Be lighted when Outdoor signal only -55dB
DL 3Be lighted when Outdoor signal only -50dB


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.









Installation Sketch:


dual band gsm umts booster repeater,mobile s 3G Mobile Phone Signal boosters 900/2100 mhz



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     dual band gsm umts booster repeater,mobile s 3G Mobile Phone Signal boosters 900/2100 mhz