A signal booster, also known as a cellular repeater or amplifier, is a device that enhances the strength and quality of a wireless signal, typically for mobile phones or other wireless devices. 

It is commonly used in areas with weak or low signal coverage to improve signal reception and transmission.

The basic principle behind a signal booster is to capture the existing weak signal from the outside environment, amplify it, and then rebroadcast it within the desired area. 

Here's a general overview of how a signal booster works:

1. External Antenna:
   The signal booster system starts with an external antenna placed in an area where the signal is relatively stronger. This antenna is designed to receive the weak incoming signal from a cell tower or another wireless source.

2. Signal Amplifier:
   The received signal is then passed to a signal amplifier unit. This unit is responsible for increasing the power level of the signal while maintaining its integrity. The amplifier strengthens the signal to a usable level.

3. Internal Antenna:
   After amplification, the signal is sent to an internal antenna located inside the building or vehicle. The internal antenna broadcasts the boosted signal throughout the desired coverage area.

4. Device Reception:
   Mobile phones, tablets, or other wireless devices within the coverage area can then receive the enhanced signal from the internal antenna, resulting in improved signal strength and quality.

They work best when there is an existing weak signal to capture and amplify. In areas with no signal at all, a signal booster cannot create a signal from scratch. They can help reduce dropped calls, improve voice quality, and enhance data speeds for wireless devices within their coverage area.

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Read our article: Why you should consider installing a cell phone signal booster

We supply and install signal boosters for home, office and large plots/farms  that are suitable for all network providers, ICASA approved and come with a 30-day money back guarantee and 12-month warranty .