![background image](http://html1.mh-extra.com/html/softbank/820sh/820sh_instructions-manual_1312147015.webp)
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820SH and 821SH meet the government's
requirements for exposure to radio waves.
These requirements are based on scientific basis to
assure that radio waves emitted from mobile phones
and other handheld wireless devices do not affect
human health. They require that the Specific
Absorption Rate (SAR), which is the unit of
measurement for the amount of radiofrequency
absorbed by the body, shall not exceed 2 W/k
g
*.
This limit includes a substantial safety margin
designed to assure the safety of all persons,
regardless of age or health, and meets the
international standard set by International
Commission on Non-Ionizing Radiation Protection
(ICNIRP) in cooperation with World Health
Organization (WHO).
All mobile phones, prior to product launch, must be
certified as compliant with government requirements
as stipulated by the Radio Law. 820SH and 821SH
have been granted Technical Regulations
Conformity Certification by TELECOM
ENGINEERING CENTER. The highest SAR value is
1.110 W/k
g
for 820SH, and 0.949 W/k
g
for 821SH.
These values were obtained by TELECOM
ENGINEERING CENTER as part of the certification
process. SAR tests were conducted with handset
transmitting at its highest certified power level in
accordance with testing methods set by the
government. While there may be differences
between the SAR levels for various handsets, they
all meet the governmental requirements for safe
exposure. The actual SAR level of the handset while
operating can be well below the highest value. This
is because the handset is designed to operate at
multiple power levels so as to use only the power
required to reach the Network.
Additional information on SAR can be obtained on
the following Websites.
Ministry of Internal Affairs and Communications
http://www.tele.soumu.go.jp/e/ele/index.htm
Association of Radio Industries and Businesses (ARIB)
http://www.arib-emf.org/initiation/sar.html (Japanese)
*Requirements are stipulated in Radio Law
(Ordinance Regulating Radio Equipment, Article
14-2)
Specific Absorption Rate (SAR)