iPhone 3G Sar Info, Straight From iPhone online Manual!!
Exposure to Radio Frequency Energy
iPhone contains radio transmitters and receivers. When on, iPhone receives and
sends out radio frequency (RF) energy through its antenna. The iPhone cellular
antenna is located on the back of iPhone near the dock connector. The Wi-Fi and
Bluetooth® antenna is located near the back top edge of the iPhone. iPhone is
designed and manufactured not to exceed limits for exposure to RF energy set
by the Federal Communications Commission (FCC) of the United States, Industry
Canada (IC), and the recommendations of the Council of the European Union.
The exposure standard employs a unit of measurement known as the specific
absorption rate, or SAR. The SAR limit applicable to iPhone set by the FCC is 1.6
watts per kilogram (W/kg), 1.6 W/kg by Industry Canada, and 2.0 W/kg by the
Council of the European Union. Tests for SAR are conducted using standard
operating positions (i.e., at the ear and worn on the body) specified by these
agencies, with iPhone transmitting at its highest certified power level in all tested
frequency bands. Although SAR is determined at the highest certified power level in
each frequency band, the actual SAR level of iPhone while in operation can be well
below the maximum value because iPhone adjusts its cellular transmitting power
based in part on proximity to the wireless network. In general, the closer you are to
a cellular base station, the lower the cellular transmitting power level.
iPhone has been tested, and meets the FCC, IC, and European Union RF exposure
guidelines for cellular, Wi-Fi, and Bluetooth operation. When tested for use at the ear
and for body-worn operation (with iPhone positioned 15 mm (5/8 inch) from the
body), iPhone’s maximum SAR value for each frequency band is outlined below:
my question is, does using iphone on airplane mode help minimize radiation, when you are do not need an iphone for internet or phone calls? for instance you just want to listen to music, would putting an iphone on airplane mode be better, to minimize the amount of radiation going to ur ear thru headphones. answers would be appreciated. thanks