cell phone safety

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Issue:

English

 

Written by:

Angela S

 

Date added:

September 7, 2015

 

Level:

 

Grade:

A

 

No of pages / words:

1 / 280

 

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923 times

 

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Essay content:

A cell phone can communicate on 1,664 channels and operate within cells. They can switch cells as they move around. Cells give cell phones incredible range. Someone using a cell phone can drive clear across a city and maintain a conversation the entire time. The way a cellular phone does this is the carrier chops up an area (such as a city) into cells...
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The way a cellular phone does this is the carrier chops up an area (such as a city) into cells. Each cell is typically sized at about 10 square miles (perhaps 3 miles by 3 miles). Cells are normally thought of as hexagons on a big hexagonal grid. As you move toward the edge of your cell, your cell's base station will note that your signal strength is diminishing...
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