Signal Booster

Faculty Of Engineering Electronics & Communication

Department

Challenger8 Team

Mobile Phone

Team Members :

1. Mohammad Ashraf El-Sharkawy ( Leader )

2. Al-Shaimaa Ibrahim El-Shennawy ( Manager )

3. Mohammad Mahrous Abd-Allah ( Presenter ) 4. Ola Mostafa Abu El-Naga ( Contact Person )

5. Hanan Mohammad Abd AL-Galiel ( Moderator )

6. Heba Taha Ahmed Arafat ( Treasurer )

7. Mohammad Abd El-Hakim Youssof ( member )

8. Asmaa Ali mohammad ( Member )

Problem Definition :

Title

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Here’s the solution:

Mobile Phone

Signal Booster

TitleIntroduction

Brief preview about GSM

Technical parts & Implementation

Market research

Conclusion

Contents:

Users Of Signal Booster…..

1- For people who are located in remote places and suffer from weak signal.

2- It is very useful in cities, where in spite of full coverage there are places with no or poor signals.

3-Simply plug our Signal Booster and you'll be astonished by the results.

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Signal Booster Components

1- Outdoor Antenna: Placed outdoors above the roofline.

2- Base Unit: It’s used for regenerating the signal.

3- Indoor Antenna: Transmits the signal in the place where there is no signal.

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How does signal booster work ??

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Signal Booster Example :

Title

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Advantages of Signal Booster :

1- No more hanging out of the window to get a signal.

2- Increases your indoor cell signal coverage up to 100 m² .

3- Unique in market.

4- Low price.

5- Decrease dropped or missed calls.

6- Increase employee productivity.

7- Improve your phone battery life.

8- Ease of control with IR remote control.

9- It can work with or without electricity using Charge Battery.

Band Pass Filter:

IR-RX

Amp.Pre. Amp.

AGC Power Supply

&Charge Battery

Outdoor Ant.

Indoor Ant.

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Specifications:

• To remove unwanted frequency components from the signal

• Enhances Wanted signal

• It passes frequencies within a certain range (880-920 MHZ) and rejects (attenuates) frequencies outside that range

• Frequency response

• These filters can also be created by combining a low-pass filter with a high-pass filter.

• An example of analogue electronic band-pass filter is an RLC circuit (resistor–inductor–capacitor circuit).

Circuit Diagram:

Physical look:Pin No. Func.

1 Input

2 Gnd

3 Gnd

4 Output

5 Gnd