Dual Band 2G 3G Mobile Phone Signal Booster with Antenna

Dual band 2G 3G Mobile Phone Signal Booster with Antenna Best 2G 3G 4G Cell Phone Signal Extender for Home provides the ultimate solution in any area where cellular communications can not work well due to lack of signals. The repeater device features easy installation & operation, build-in...

Product Details

Dual band 2G 3G Mobile Phone Signal Booster with Antenna 

  • The most popular solution for boosting signal in a small area.

  • Works wirelessly. No physical connection to your phone required.

  • Supports multiple phones and all carriers at the same time.

  • Everything you need is included in the kit.




GSM/3G 900/2100MHz Cellphone Signal Repeater description:



GSM980/3G 90/2100MHz Mobile signal booster Packing list:




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How to Aim an outdoor Directional Antenna

If you're installing a signal booster with a yagi or log periodic directional outside antenna, then the last step you'll need to do is aim the antenna.

When aiming and mounting a directional antenna, make sure that the antenna is parallel with the ground. Do not aim it up at the sky or down at the earth.

1. Make sure the booster is turned on and have a person in the house stand in front of the inside antenna and take a signal reading with their phone in field test mode.

2. Rotate the outside antenna 45 degrees (1/8th of the way around) and then pause for 60 seconds. After the pause, the person inside should take another signal reading from exactly the same spot, record it, and then repeat the process.

3. After you've gone all the way around, mount the antenna facing in the direction with the strongest signal (decibel signal reading will be closest to 0) that you recorded. If possible, mount the antenna on the side of the home so that it's pointing away from the building and not over the building.

Alternative Installation Options

While the easiest and most efficient way to install a cell phone booster for home is in the attic, there are many situations where that might not be possible. In those cases, you can mount the panel antenna either on a wall aiming across the floor where you need boosted signal, or mount it on the ceiling on the highest floor that needs signal, and broadcast it downwards through the floors below.

Please note, you do not want to angle the panel antenna, such as mounting it on an angled cathedral ceiling, as the signal won't spread out properly and you'll still have dead spots.

If you're using an dome inside antenna, then you'll want to mount that to the ceiling in the center of the space that needs boosted signal and have it broadcast in all directions across the floor that is located on.

Problems and Warning Lights

There are two main types of problems that may arise when you turn on your cell phone signal booster for the first time: overload and oscillation. Each problem has a different warning light combination that will show on the amplifier. We'll discuss each problem type and how to fix it here:

Overload happens when the outside antenna is receiving a very strong signal from a nearby cell tower, which may or may not be from the cell carrier you're trying to boost. If the amplifier receives too strong of a signal, then it will first try to deal with it by reducing its boosting power, and if that doesn't work, by shutting that frequency band down entirely.

There are two ways to handle overload. The first, assuming you're using a directional outside antenna, is to re-aim the directional antenna so that it is not facing directly towards the nearby tower, but rather aimed slightly off from it. This way the antenna does not receive the full blast of signal, but rather a portion of it, and the amplifier is able to do the heavy lifting there. When re-aiming, it may also possible to aim in a completely different direction where another distant cell tower for your carrier may be located.

If re-aiming does not solve the problem, then the next step is to install a series of attenuators on the cable coming from the outside antenna to cut back the amount of signal before it reaches the amplifier. This will reduce the same amount of signal from all carriers on all frequency bands, so for any weaker signals that are being received by the outside antenna, those will be reduced as well, and the coverage area for those networks will be smaller.

Oscillation happens when the boosted signal that's being broadcast from the inside antenna reaches the outside antenna, and causes feedback in the system. The best way to fix this problem is to increase the separation between the two antennas, which typically means moving the inside antenna further away from the outside antenna. You should also try to have as much vertical separation between the two antennas as possible, which may mean raising the outside antenna up on a pole to get more elevation.

The antenna direction is also important when trying to fix oscillation problems. The outside antenna should be pointed away from the house, and not across the roof, otherwise it will pick up any boosted signal that is radiating out of the roof. The inside panel antenna should ideally be pointed down and away from the roof, or if it’s on a wall, away from the side of the home that the external antenna is located on. Increasing separation and adjusting the direction of the antennas should solve any oscillation problems you may be experiencing.


Q: Would this work in a vehicle?

A: Yes, the signal booster can work in a vehicle. Just replace the power adaptor with a car kit power supply. And better to use the sucker antenna outside of the car and whip antenna inside the car. You can contact us for more information.

Q: Can the antenna for the signal booster be pole mounted outside?

A: The outdoor antenna for the signal booster can be pole mounted outside including outdoor log periodic antenna, outdoor panel antenna, outdoor yagi antenna and outdoor omni fiberglass antenna etc. The indoor ceiling antenna is ceiling mounted and indoor panel antenna is wall mounted.


Q: How should I know if the signal booster is working in Saudi Arabia or not? I have no idea about the frequencies in Saudi Arabia.

A: Our dual band signal repeater 900/2100MHz and dual band 900/1800MHz signal repeater are very popular in Saudi Arabia. If you are not sure which model of repeater can be used in your country, please contact us for recommendation.


Q: I live in India. Can you recommend a signal booster working well here?

A: Sure. Our signal booster WT-GW01G 900/2100MHz is the top-selling model in India. We have new model for TDD 2300MHz as well. We have local agent in India, who can help you more conveniently as well. Please contact us for more information.

If you're in need of quality and cheap dual band 2g 3g mobile phone signal booster with antenna, please rest assured to wholesale our effective equipment made in China. We're one one of the most professional 3G Cell Phone Boostermanufacturers and suppliers in China, also supporting quality customized service. Welcome to contact our factory for more info.


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