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Why do cell phones have very short antennas?
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.
What technologies has had the greatest impact on international travel?
cell phones
How do cell phones relate to cancer?
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.
What is OFDMA?
Orthogonal Frequency Division Multiple Access. It has something to do with the way cell phones transmit signals.
Frequency of changing cell phones?
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.
What are rugged cell phones?
A rugged cell phone is a phone that can withstand the worst of damages. It is for people who drop their phones constantly, or who travel/are outdoors often.
Can you make popcorn with radio waves from cell phones?
No you cannot. This was tested and showed that the frequency's wernt strong enough to do anything
where can you purchase travel cell phones?
There are many sites you can go to to purchase travel cell phones including, AT&T, Verizon, T-moble, Virgin Moble and Sprint. You should first visit the different website to determine which one best fits your needs.
What frequency is used by cell phones?
Freq from 850-1900 for sure in Cell Phones.... Hope it helps?
Is it cellphones or cell phones?
cell phones
Who were the cell phones available to?
who where cell phones available to
How did thy discover cell phones?
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.
