Why do you need to buy repeater / booster?

Conclusion: Your mobile signal is poor, and you may need to improve it.

How does the mobile signal booster amplify signal?

Mobile signal booster (also known as mobile signal repeater / amplifier) are designed to amplify a weak outdoor signal and provide a strong inside signal to an poor signal area.

A cell phone repeater has three main parts, an outdoor antenna that receives the initial signal, an amplifier that boosts the signal, and an indoor antenna that broadcasts the boosted signal to the inside are that needs it. All three components are connected together with high quality cable

The repeater system work like this :

1.The outdoor collect the signal and transimit it to the repeater

2.The repeater amplify the signal tansimited and send it to the indoor antenna

3.The indoor antenna broadcast the signal and the mobile phone receive the amplified signal.

  Remarks:  1.When there are more than 1 indoor antenna used ,splitter is required.

                  2.When choose outdoor repeater, repeater mounted outside.

Full kits of the product often contains 4 parts:

 1. Outdoor antenna (log periodic antenna or yagi antena)

 2. Indoor antenna (ceiling antenna or panel antenna)

 3. The repeater.

 4. Cables(often, *0 meters cable for outdoor and 5 meter for indoor)

1. Mount the outdoor antenna at the suitable place

2. Connect the outdoor antenna to the outdoor side of the amplifier

3. Connect the indoor antenna to the indoor side of the amplifier

4. Connect to the power 

How to choose mobile signal booster?

Three points should be concerned when choose a correct booster:

1. Carriers &Network to support

Mobile signal boosters only amplify specific frequencies of radio waves. So,find the carrier & network (2G,3G,4G).

2. Existing outside signal & signal strength

Booster do not create signal but amplify it.  Find a suitable place where  exist signal,you can install the outdoor antenna there.You may choose powerful booster while the mobile signal bar is less than 3.

3.Area needs to cover

The larger area you want to cover, the more powerful booster needed.