Nokia 7710 User Manual page 166

Certification information (SAR)
THIS DEVICE MEETS INTERNATIONAL GUIDELINES FOR
EXPOSURE TO RADIO WAVES
Your mobile device is a radio transmitter and receiver. It is
designed and manufactured not to exceed the limits for
exposure to radio frequency (RF) recommended by
international guidelines (ICNIRP). These limits are part of
comprehensive guidelines and establish permitted levels of RF
energy for the general population. The guidelines were
developed by independent scientific organizations through
periodic and thorough evaluation of scientific studies. The
guidelines include a substantial safety margin designed to
assure the safety of all persons, regardless of age and health.
The exposure standard for mobile devices employs a unit of
measurement known as the Specific Absorption Rate, or SAR.
The SAR limit stated in the international guidelines is
2.0 watts/kilogram (W/kg)*. Tests for SAR are conducted using
standard operating positions with the device transmitting at
its highest certified power level in all tested frequency bands.
Although the SAR is determined at the highest certified power
level, the actual SAR of the device while operating can be well
below the maximum value. This is because the device is
designed to operate at multiple power levels so as to use only
the power required to reach the network. In general, the closer
you are to a base station, the lower the power output of the
device.
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The highest SAR value for this device when tested for use at
the ear is 0.53 W/kg.
SAR values may vary depending on national reporting and
testing requirements and the network band. Use of device
accessories and enhancements may result in different SAR
values. Additional SAR information may be provided under
product information at www.nokia.com.
* The SAR limit for mobile devices used by the public is 2.0 W/
kg averaged over 10 grams of body tissue. The guidelines
incorporate a substantial margin of safety to give additional
protection for the public and to account for any variations in
measurements. SAR values may vary depending on national
reporting requirements and the network band. For SAR
information in other regions, please look under product
information at www.nokia.com.