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Specific Absorption Rate (SAR)
Information for this Product
Specific Absorption Rate (SAR) for This
Product (for Japan)
This data communication device [A002ZT] is compliant with
Japanese technical regulations* and international guidelines
for exposure to radio waves.
The Japanese technical regulations on human exposure to
radio frequency energy have established permitted levels of
radio frequency energy, based on the standards developed
by independent scientific organizations through periodic and
thorough evaluation of scientific studies.
The regulations employ a unit of measurement known as the
Specific Absorption Rate, or SAR.
The SAR limit is 2 watts/kilogram (W/kg) averaged over ten
grams of tissue.
The limit includes a substantial safety margin designed to
assure the safety of all persons, regardless of age and health.
The value of the limit is equal to the value stipulated in the
international guidelines recommended by ICNIRP**, which is in
collaboration with the World Health Organization (WHO).
The highest SAR value for this product is 1.75 W/kg*** when
used close to the body in the below manner****.
While there may be differences between the SAR levels of
various products and at various positions, all products meet
the Japanese technical regulations.
Although the SAR is determined at the highest certified power
level, the actual SAR of the product during operation can be
well below the maximum value.
* The technical regulations are provided in Article 14-2 of the
Ministry Ordinance Regulating Radio Equipment.
** International Commission on Non-Ionizing Radiation
Protection
*** The value is under simultaneous transmission use
conditions.
**** Use close to the body
To use this product close to the body, maintain a separation
of 0.5 cm with no metal (parts) between it and the body.
This will ensure this product meets the Japanese technical
regulations for exposure and international guidelines for radio
wave protection.
The World Health Organization has announced that "A large
number of studies have been performed over the last two
decades to assess whether mobile phones pose a potential
health risk. To date, no adverse health effects have been
established as being caused by mobile phone use." They note
that if you want to reduce your exposure then you can do so
by limiting the length of calls or using a hands-free device to
keep the mobile phone away from the head and body.
For more information about SAR, see the following websites:
・Ministry of Internal Affairs and Communications (MIC)
https://www.tele.soumu.go.jp/e/sys/ele/body/index.htm
・Association of Radio Industries and Businesses (ARIB)
https://www.arib-emf.org/01denpa/denpa02-02.html
(Japanese)
・World Health Organization
https://www.who.int/peh-emf/publications/factsheets/en/
・List of Specific Absorption Rates (SAR) for radio waves by
smartphone/3G model
https://www.softbank.jp/mobile/support/sar/
European RF Exposure Information
Your mobile device is a radio transmitter and receiver. It is
designed not to exceed the limits for exposure to radio waves
recommended by international guidelines. These guidelines
were developed by the independent scientific organization
ICNIRP and include safety margins designed to assure the
protection of all persons, regardless of age and health. The
guidelines use a unit of measurement known as the Specific
Absorption Rate, or SAR. The SAR limit for mobile devices is
2.0 W/kg. As mobile devices offer a range of functions, they
can be used in other positions, such as on the body. In this
case, the highest tested SAR value is 1.756 W/kg* at the
separation distance of 0.5 cm from the body. For electronic
safety, maintain the separation distance with accessories
containing no metal, that position handset a minimum of
the above distance. Use of other accessories may not ensure
compliance with RF exposure guidelines.
* The tests are carried out in accordance with international
guidelines for testing.
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(Japanese)
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