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Specific Absorption Rate (SAR) is a measure of the rate at which radio frequency (RF) energy is absorbed by the body when exposed to radio-frequency electromagnetic field. The most common use is in relation to cellular telephones.
On Services
SGS SAR laboratory provides SAR testing for all kinds of wireless terminals such as GMS & GPRS, WLAN, Bluetooth and WCDMA terminals etc.
In the United States, the Federal Communications Commission (FCC) has adopted limits for safe exposure to RF energy produced by mobile devices and requires that phones sold in the U.S. have a SAR level at or below 1.6 watts per kilogram (W/kg) taken over a volume of 1 gram of tissue.
For other countries:
| Country Area |
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SAR Limit |
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SAR Regulation |
| USA & Canada & Australia |
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2.0 W/Kg (recommended) |
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Mandatory |
| EU |
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2.0 W/Kg (recommended) |
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Mandatory |
| Japan |
|
2.0 W/Kg (recommended) |
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Mandatory |
| Korea |
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1.6 W/Kg |
|
Mandatory |
| China |
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Report on Request |
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Mandatory |
Public Health Requirement
Strong Electrical & Magnetic radiation has been proved to be harmful to human. SAR testing for wireless terminals is necessary to protect the benefits of consumers.
Regulations requirement
In most countries and regions, RF exposure standards or regulations, including SAR limits applicable for mobile telecommunication equipment have been published. In most countries SAR testing is required for type approval of mobile phones. If wireless products fail to meet these regulations, chances are that wireless products will not be able to access to the corresponding market.
Communication Networks requirement
To limit the disturbance incurred by certain wireless terminal, SAR testing is necessary.
For more information, please click the links below:
 To apply via your local SGS affiliate
To download Wireless Telecommunication brochures
To download INTRO newsletters
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