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For Your Safety
8. What has the FDA done to measure the Radio Frequency energy coming from
tablets?
The Institute of Electrical and Electronic Engineers (IEEE) is developing a technical standard
for measuring the Radio Frequency (RF) energy exposure from tablets and other wireless
handsets with the participation and leadership of FDA scientists and engineers. The
standard, “Recommended Practice for Determining the Spatial-Peak Specific Absorption
Rate (SAR) in the Human Body Due to Wireless Communications Devices: Experimental
Techniques”, sets forth the first consistent test methodology for measuring the rate at
which RF is deposited in the heads and bodies of tablet users. The test method uses a
tissue-simulating model of the human head and body. Standardized SAR test methodology
is expected to greatly improve the consistency of measurements made at different
laboratories on the same tablet. SAR is the measurement of the amount of energy absorbed
in tissue, either by the whole body or a small part of the body. It is measured in watts/kg (or
milliwatts/g) of matter. This measurement is used to determine whether a tablet complies
with safety guidelines.
9. What steps can I take to reduce my exposure to Radio Frequency energy from my
tablet?
If there is a risk from these products — and at this point we do not know that there is — it
is probably very small. But if you are concerned about avoiding even potential risks, you can
take a few simple steps to minimize your exposure to Radio Frequency (RF) energy. Since
time is a key factor in how much exposure a person receives, reducing the amount of time
spent using a tablet will reduce RF exposure. If you must conduct extended conversations
using a wireless device every day, you could place more distance between your body and the
source of the RF, since the exposure level drops off dramatically with distance. For example,
you could use a headset and carry the tablet away from your body or use a wireless device
connected to a remote antenna. Again, the scientific data does not demonstrate that tablets