CELLPHONE DESCRIPTION

A cellphone is a device that can transmit live voice and video via radio waves. It is a long range, electronic device used for mobile telecommunications over a cellular network of specialized base stations known as cell sites.
Most cellular mobile phones connect to a cellular network consisting of switching points and base stations. In addition to the voice function, current mobile phones may support many additional services, and accessories, such as
• SMS for text messaging
• Email
• packet switching for access to the Internet
• Gaming
• Bluetooth
• Infrared
• camera with video recorder
• MMS for sending and receiving photos and videos
• MP3 player
• radio
• GPS.

As opposed to a radio telephone, a mobile phone offers full duplex communication,an automatised calling to and paging from a public switching telephone network (PSTN), and handoff during a phone call when the user moves from one cell to another.
Some of the more advanced mobile phones are also doing:
Digital camera
Audio recorder
Video recorder
Multimedia messaging
Email client
Web client
Cell phones in these modern world becomes more popular and also a most desirable things for human beings for the reason that it has the capability to keep in touch with family and friends from far of places, these days due to the development of advanced technologies cell phones are not accomplished for receiving and talking phone calls,but can also stores important data, taking cameras, stores songs etc.

The 7 disadvantages of cell phones that will be covered are:
• An Unsafe safety standard
• Negative health Effects
• Male Infertility
• The effect on children
• Cell phones and Driving
• Increased Stress Level
• The effect on the Environment

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