Acer Iconia W4-821 Manuel rapide - Page 10

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RF exposure information (SAR)

This device meets the EU requirements (1999/519/EC) on the limitation of

exposure of the general public to electromagnetic fields by way of health protection.

The limits are part of extensive recommendations for the protection of the general

public. These recommendations have been developed and checked by

independent scientific organizations through regular and thorough evaluations of

scientific studies. To guarantee the safety of all persons, regardless of age and

health, the limits include a significant safety buffer.

Before radio devices can be put in circulation, their agreement with European laws

or limits must be confirmed; only then may the CE symbol be applied.

The unit of measurement for the European Council's recommended limit for mobile

devices is the "Specific Absorption Rate" (SAR). This SAR limit is 2.0 W/kg, averaged

over 10 g of body tissue. It meets the requirements of the International Commission

on Non-Ionizing Radiation Protection (ICNIRP). The maximum SAR value is

calculated at the highest output level in all frequency bands of the mobile device. The

highest SAR value reported under this standard during product certification for use of

the device at a distance of zero gaps from the body is 1.87 W/kg.

For body worn operation, this device has been tested and meets the ICNIRP

exposure guidelines and was included in the European Standard EN 62311 and EN

62209-2 for use with accessories that contain no metal and that position the

handset a minimum of 1.5 cm from the body. Use of other accessories may not

ensure compliance with ICNIRP exposure guidelines. If you do not use a body worn

accessory and are not holding the device at the ear, position the handset a

minimum of 1.5 cm from your body when the device is switched on.

During use, the actual SAR level is usually much lower than the maximum value,

because the mobile device works in different output levels. It only transmits with as

much output as is required to reach the network. In general the following applies:

The closer you are to a base station, the lower the transmission output of your

mobile device.