Sunway GSM 900 User Manual
Page 85
This is the Internet version of the user's guide. © Print only for private use.
85
Additional information
Efficient use
Hold your mobile phone as you would any other
phone. Do not cover the top of the phone when
in use, as this affects call quality and may cause
the phone to operate at a higher power level than
needed, thus shortening talk and standby times.
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. 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.
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,