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Using Your Treo 700P Smartphone 288
Regulatory information
The highest reported (FCC) SAR values of the Treo™ 700P
smartphone, by Palm are:
FCC Radiofrequency Emission
This smartphone meets the FCC Radiofrequency Emission
Guidelines and is certified with the FCC as.
FCC ID number: O8FJIMI.
More information on the smartphone's SAR can be found from
the following FCC Website:
https://gullfoss2.fcc.gov/prod/oet/cf/eas/reports/
GenericSearch.cfm.
(The following information comes from a consumer
information Website jointly sponsored by the U.S. Food and Drug
Administration (FDA) and the Federal Communications
Commission (FCC), entitled “Cell Smartphone Facts: Consumer
Information on Wireless Smartphones.” The information
reproduced herein is dated July 29, 2003. For further updates,
please visit the Website:
http://www.fda.gov/cellphones/qa.html
.)
What is radiofrequency energy (RF)? Radiofrequency
energy (RF) is another name for radio waves. It is one form of
electromagnetic energy that makes up the electromagnetic
spectrum. Some of the other forms of energy in the
electromagnetic spectrum are gamma rays, x-rays and light.
Electromagnetic energy (or electromagnetic radiation) consists of
waves of electric and magnetic energy moving together
(radiating) through space. The area where these waves are found
is called an electromagnetic field.
Radio waves are created due to the movement of electrical
charges in antennas. As they are created, these waves radiate
away from the antenna. All electromagnetic waves travel at the
speed of light. The major differences between the different types
of waves are the distances covered by one cycle of the wave and
the number of waves that pass a certain point during a set time
period. The wavelength is the distance covered by one cycle of a
wave. The frequency is the number of waves passing a given
point in one second. For any electromagnetic wave, the
wavelength multiplied by the frequency equals the speed of light.
The frequency of an RF signal is usually expressed in units called
hertz (Hz). One Hz equals one wave per second. One kilohertz
(kHz) equals one thousand waves per second, one megahertz
(MHz) equals one million waves per second, and one gigahertz
(GHz) equals one billion waves per second.
RF energy includes waves with frequencies ranging from about
3000 waves per second (3 kHz) to 300 billion waves per second
(300 GHz). Microwaves are a subset of radio waves that have
frequencies ranging from around 300 million waves per second
(300 MHz) to three billion waves per second (3 GHz).
How is radiofrequency energy used? Probably the most
important use of RF energy is for telecommunications. Radio and
TV broadcasting, wireless smartphones, pagers, cordless
smartphones, police and fire department radios, point-to-point
links and satellite communications all rely on RF energy.
Other uses of RF energy include microwave ovens, radar,
industrial heaters and sealers, and medical treatments. RF
energy, especially at microwave frequencies, can heat water.
Since most food has a high water content, microwaves can cook
food quickly. Radar relies on RF energy to track cars and airplanes
as well as for military applications. Industrial heaters and sealers
use RF energy to mold plastic materials, glue wood products,
seal leather items such as shoes and pocketbooks, and process
food. Medical uses of RF energy include pacemaker monitoring
and programming.
How is radiofrequency radiation measured? RF waves and
RF fields have both electrical and magnetic components. It is
often convenient to express the strength of the RF field in terms
of each component. For example, the unit “volts per meter” (V/
m) is used to measure the electric field strength, and the unit
“amperes per meter” (A/m) is used to express the magnetic field
strength. Another common way to characterize an RF field is by
means of the power density. Power density is defined as power
Maximum SAR Values BroadbandAcc
ess Cellular
BroadbandA
ccess PCS
Held to Ear 1.48 (W/Kg) 1.13 (W/Kg)
Body - Worn 0.896 (W/Kg) 0.589 (W/Kg)