Specific Absorption Rate of SAR

SAR test is the electromagnetic wave energy absorption ratio of mobile phone or wireless product, which is defined as: under the action of external electromagnetic field, the human body will produce induced electromagnetic field.

SAR is often used in biological dosimetry to characterize this physical process.
The significance of SAR test is the electromagnetic power absorbed or consumed by a unit mass of human tissue, the unit is W/kg.
The internationally recognized standard for measuring radiofrequency absorption of human tissues is electromagnetic wave energy absorption ratio or SAR.

The Federal Communications Commission (FCC) has published guidelines for limits on radiofrequency exposure for information exchange. These limits are based on existing scientific evidence and take into account all aspects of security to ensure the health of end users.
Mobile devices sold in the US must meet the FCC's SAR standard of less than 1.6W/kg, and those sold in the EU must meet the EN's SAR standard of less than 2W/kg.

Applicable products:

Mobile phone Bluetooth products tablet PC POS machine mobile payment computer wireless monitoring remote control interphone WIFI router vehicle-mounted wireless products wireless network card communication terminal radio equipment.

Test Standard:

European Union: EN50566 EN50360 EN62311 EN62209-1 EN62209-2 EN62479

The United States: IEEE1528

Canada: RSS-102

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