GSM 900MHZ Cellphone Signal Booster Repeater Amplifier Signal Amplifier Portable Size Smartphones Signal Amplifier Drop Shipping

GSM 900MHZ Cellphone Signal Booster Repeater Amplifier Signal Amplifier Portable Size Smartphones Signal Amplifier Drop Shipping
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install 5


2G 3G 4G Tri Band Signal Booster GSM 900+DCS/LTE 1800+UMTS/WCDMA 2100 Cell Phone Repeater 4G LTE 1800mhz Mobile Signal Amplifier



Before buying please note!!!

1.Make sure the frequency band of your carrier is suitable for this item.Otherwise the device can\'t work for you. If you do not so clear the frequency of your phone, you could click this link for check the frequency band of your carriers.Below are some countries\' frequency bands for your reference.


2.Make sure you can receive good signal that you want to amplify on your house outside,which must be can getting 3~5 bar signal (-70dB~-90dB signal strength) on your mobile phone. Please note that the signal booster can only boost the mobile phone network signal, but does not help to generate any signal. For example, if your outside signal has 0 bar, it can not work or bring you any signal.. Below is the method to check the mobile phone signal strength. 


Signal Strength 1000

What\'s in the package:


  • 1). 1* 900/1800/2100 Tri Band Booster

  • 2). 1* Power Supply

  • 3). 1* English User Manual

  • 4). 1* Outdoor LPDA Antenna

  • ​5). 1* Indoor Ceiling Antenna

  • 6). 1* 15 Meters Cable



Booster Specification:


  • 1).Frequency Range Uplink: 890~915/1710~1785/1920~1980MHz

  • 2).Frequency Range Downlink:935~960/ 1805~1880/2110~2170MHz

  • 3).Gain: 65dB

  • 4).Output Power: 20dBm

  • 5).Power Adapter: EU/US/AU/UK Plug

  • 6).Power supply: AC:110~220V; DC:12V 2A

  • 7).Connector Type: N Female

  • 8).Coverage: Up to 500 sqm without barrier

  • 9).Improve Network Type: 2G Voice and 2G 3G 4G Internet Data



Parameter dataUplinkDownlink
Frequency RangeGSM890~915MHZ935~960MHZ







Output Power18±2dBm20±2dBm
Gain 60±2dB65±2dB
Spurious Emission9KHZ~1GHZ≤-36dBc
Power SuplyAC:100~240V, 50/ 60Hz;DC:12V 2A
RF ConnectorN-Female













How it work:


  • 1). The outdoor antenna received the mobile signal from signal tower.

  • 2). The booster receives the outside signal from the outside antenna.

  • 3). The booster improve the outside signal and send it to the indoor antenna.

  • 4). The indoor antenna broadcasts the boosted signal to devices inside the home.


Easy 4 steps of installation:


  • 1). Find an appropriate position where can getting strong mobile signal to install the outdoor antenna and toward to the cell         signal tower. (usually installed it on the roof or balcony and at least 3 bars signal indicated on your phone display).

  • 2). Connect the outdoor antenna to the signal booster via the cable.

  • 3). Connect the indoor antenna to the signal booster.

  • 4). Check all the connectors is tightened then plug in power. Done!


tri band Ceiling 1



--------------------------------------------------------------  FAQ -------------------------------------------------------------


1. How does mobile signal booster work? Can I use the signal booster when the outdoor signal has 0 bar?


1). Outdoor antenna receives the signal from the base station to transmit to the repeater, the signal is boosted around the place via the indoor antenna to improve the call; It is suitable for transmitting the voice and data of mobile phone, tablet PC, or the Internet.

2). Signal booster can only boost the mobile phone network signal, but does not help to generate any signal. For example, if your outside signal has 0 bar, it can not work or bring you any signal


2. How many signal strength is required at the location where install outdoor antenna?


1). At least can be achieve -80dB signal strength (3~5 bar signal on your phone).


3. What do I need to know before ordering a signal booster?


1). Before ordering, you need to know your network operator frequency. Every network operator has its own technology and frequency. The signal booster can only work well when it is suitable for your network frequency, otherwise it would not boost any signal.


4. Why does my signal still same after installing the booster kit?


1). The booster frequency is not suitable for your mobile phone network frequency

2). The booster or the antenna is broken.


5. What square meters signal will the booster cover?


1). According to the house construction, material, outside signal, etc., it can boost signal as much as 2000 square meters. More information, you can contact the customer service.


6. Mobile phone has full signal with booster, but can not make call or send message?


1). Maybe it is the signal input and signal output interfere with each other. You need make sure.There is separate wall between indoor and outdoor antenna, so that the two antenna signal do not interfere with each other.  Please try to change the direction of outdoor antenna.


7. What is the difference of different outdoor antennas?


1). For area with good outdoor signal strength, you will need the standard Omni directional antenna which does not need to be pointed at the local mast asit receives and broadcasts the signal in all directions, such as the omni tube antenna ,the fiber glass antenna, etc.  If the outdoor signal is weak, you need the outdoor directional antenna which should be pointed to the base station to get signal, such as the outdoor yagi antenna, the outdoor LPDA antenna, etc.


8. What is the difference of different indoor antennas?


1). The right angle antenna is the plug and play antenna, and it does not have cable, but convenient to install, suitable for the area around 100 square meters. The indoor ceiling antenna and the indoor wall panel antenna have 10 meters cables, more flexible, 4-6 of these antennas can be connected to one booster standalone to bring signal around 4-6 rooms, which covers signal around 2000 square meters, especially suitable for the large area such as factory, company office, multilayer building, etc.