Cell phone is a device that enable us to do communication everywhere. The technology that enable this communication is wireless protocol technology. A cell phone is basically a two way radio. Cell phone will transmit and receive radio signal from nearest base station to relay our communication to a central communication controller server.

As a two way radio, cell phone need to emit some electromagnetic radiation to enable them to connect to nearest base station. To protect the user from excessive radiation FCC has made a standard for cell phone radiation. This standard is called SAR.

Cell phone has become a standard thing to have now. Many people from various age have use it. People use cell phone to communicate in almost everywhere. There are several safety factor need to be considered when using a cell phone. A cell phone can be dangerous. It is important know what is the hazard of a cell phone. Bellow are some point to be considered for having a cell phone.

Danger from radiation

Some people have considered cell phone as dangerous item because they believe cell phone can cause cancer or tissue abnormality. This is different from what the representative of phone companies,