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Cellular Phones FAQs
Cell Phone FAQs from the
FCC
What are wireless
phones?
Wireless telephones are hand-held phones with built-in antennas,
often called cell, mobile, or PCS phones.
How do they Work?
When you talk into a wireless telephone, it picks up your voice
and converts the sound to radiofrequency energy (or radio
waves). The radio waves travel through the air until they reach
a receiver at a nearby base station. The base station then sends
your call through the telephone network until it reaches the
person you are calling. |
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When you receive a
call on your wireless telephone, the message travels through the
telephone network until it reaches a base station close to your
wireless phone. Then the base station sends out radio waves that
are detected by a receiver in your telephone, where the signals
are changed back into the sound of a voice. |
How can I check
the RF level of my phone?
Manufacturers of wireless phones must report the RF exposure
level for each model of phone to the FCC. The FCC website
(http://www.fcc.gov/oet/rfsafety) gives directions for locating
the FCC identification number on your phone so you can find your
phone’s RF exposure level in the online listing.
What is considered a safe level?
All wireless phones sold in the United States meet government
requirements that limit their RF energy to safe levels. The
relative amount of RF energy absorbed in the head of a wireless
telephone-user is given by the Specific Absorption Rate (SAR).
The FCC requires wireless phones to have SAR levels no greater
than 1.6 watts per kilogram.
What steps can I take to reduce my exposure to radiofrequency
energy from my wireless phone?
If there is a risk from these products--and at this point we do
not know that there is--it is probably very small. But if you
are concerned about avoiding even potential risks, you can take
a few simple steps to minimize your exposure to radiofrequency
energy (RF). Since time is a key factor in how much exposure a
person receives, reducing the amount of time spent using a
wireless phone will reduce RF exposure.
* If you must conduct extended conversations by wireless phone
every day, you could place more distance between your body and
the source of the RF, since the exposure level drops off
dramatically with distance. For example, you could use a headset
and carry the wireless phone away from your body or use a
wireless phone connected to a remote antenna
Is there any evidence that cell phones cause cancer?
There is no scientific evidence that proves that wireless phone
usage can lead to cancer or a variety of other problems,
including headaches, dizziness or memory loss. However,
organizations in the United States and overseas are sponsoring
research and investigating claims of possible health effects
related to the use of wireless telephones. The Federal
government is monitoring the results of this ongoing research,
and the FDA is participating in an industry-funded research
project to further investigate possible biological effects.
I'm having billing problems with my cellular provider; who can
help me?
The FCC does not regulate contractual arrangements with cellular
providers, but does handle complaints about wireless service.
You may file a complaint with the FCC by using the FCC’s on-line
complaint form. For additional information on how to file a
complaint, click on the “complaint” tab at the bottom of this
page. |
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