The average American changes cell phones once every 2 years. The average American (and most Americans) gets their cell phone free with a 1-2 year contract with a cell phone company.
common frequency in North America are 850 and 1900 MHz
Cell phones are changing constantly. The latest in cell phones is the smartphone, such as the iPhone. In the future, phones will continue to give us more access to data and be smaller and smaller.
Cell phones use radio waves travelling at the speed of light with a typical frequency of 800 MHz, which is ten times greater than FM radio frequency. Due to shorter wavelengths, the cell phones use very short antennas.
because cell phones have a chemical frequency in them that causes energy waves that could some day lead into a long term effect or possibly cancer.
Orthogonal Frequency Division Multiple Access. It has something to do with the way cell phones transmit signals.
No you cannot. This was tested and showed that the frequency's wernt strong enough to do anything
Freq from 850-1900 for sure in Cell Phones.... Hope it helps?
cell phones
who where cell phones available to
No one discovered cell phones. Someone named Dr.Martin Cooper invented cell phones. No one discovered cell phones. Someone named Dr.Martin Cooper INVENTED cell phones.
call cell phones cell phones? Cell phones are called cell phones because each one communicates with cell antenna, which covers a certain area,
a burden a of cell phones is cyberbulling