Sony Ericsson Cyber-Shot Developer's Manual page 80

Additional information
Radio frequency (RF) exposure
and SAR
Your mobile phone is a low-power radio transmitter
and receiver. When it is turned on, it emits low levels
of radio frequency energy (also known as radio waves
or radio frequency fields).
Governments around the world have adopted
comprehensive international safety guidelines,
developed by scientific organizations, e.g. ICNIRP
(International Commission on Non-Ionizing Radiation
Protection) and IEEE (The institute of Electrical and
Electronics Engineers Inc.), through periodic and
thorough evaluation of scientific studies. These
guidelines establish permitted levels of radio wave
exposure for the general population. All Sony Ericsson
mobile phone models are designed to operate within
these stringent levels. The levels include a safety margin
designed to assure the safety of all persons, regardless
of age and health, and to account for any variations in
measurements.
Specific Absorption Rate (SAR) is the unit of
measurement for the amount of radio frequency energy
absorbed by the body when using a mobile phone.
The SAR value is determined at the highest certified
power level in laboratory conditions, but the actual SAR
level of the mobile phone while operating can be well
below this value.
This is because the mobile phone is designed to use
the minimum power required to reach the network.
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Therefore, the closer you are to a base station, the
more likely it is that the actual SAR level will decrease.
Variations in SAR below the radio frequency exposure
guidelines do not mean that there are variations in
safety. While there may be differences in SAR levels
among mobile phones, all Sony Ericsson mobile phone
models are designed to meet radio frequency
exposure guidelines.
Before a phone model is available for sale to the public,
it must be tested and certified to the FCC that it does
not exceed the limit established by the government-
adopted requirement for safe exposure. The tests are
performed in positions and locations (that is, at the ear
and worn on the body) as required by the FCC for each
model. For body worn operation, this phone has been
tested and meets FCC RF exposure guidelines when
the handset is positioned a minimum of 15 mm from
the body without any metal parts in the vicinity of the
phone or when used with the original Sony Ericsson
body worn accessory intended for this phone. Use of
other accessories may not ensure compliance with
FCC RF exposure guidelines.
A separate leaflet with SAR information for this mobile
phone model is included with the material that comes
with this mobile phone. This information can also be
found, together with more information on radio
frequency exposure and SAR, on
www.SonyEricsson.com/.