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How does cell phones cause radiation?
Cell phones are small radios, that both transmit and receive. When they transmit they emit radio waves, which is a kind of radiation.
Whey are phones called cell phones?
Because they use cell towers to transmit calls.
Can you use cell phones from America in other countries?
yes
What countries make cell phones?
japan
Do Blackberry phones use the same chargers as other cell phones?
No, they do not have the same charger as all other cell phones but a Blackberry charger will be similar to some cell phones.
What is OFDMA?
Orthogonal Frequency Division Multiple Access. It has something to do with the way cell phones transmit signals.
How many cell phones in the world?
As of December 2008, there are 271,000,000 cell phones in the U.S., about 88 percent of the population.In the world, there are 4,100,000,000 cell phones in use.For a full list of countries and number of cell phones, see related links.
Whats the difference between the telegraph and the cell phones?
A telegraph relies on a wire to transmit a message to an individual on the receiving end. A cell phone is a wireless device that uses radio waves to transmit a signal.
In which countries might one find Telstra phones?
Telstra phones are cell phones that have mobile phone plans tailored to overseas use. Specifically, Telstra phones are most often found in countries such as China, India, Hon Kong and other parts of asia.
What kind of waved a cell phone telephone used to transmit and receive signals?
Mobile phones transmit and receive date and calls in the microwave section of the radio spectrum.
Do all moms have cell phones?
not all moms have cell phones but most moms have cell phones to keep in touch with other
How are US cellular phones better than other countries cellular phones?
There are no inherent benefits in using a cell phone from the US, as identical models are available in other countries, however, it might be cheaper. Any benefits come from the carrier.
