The iPhone 4 radiation level (SAR) is 1.17 W/kg, which is about average for a smart phone.
The radiation level (SAR) for the Samsung Captivate is 0.42 W/kg, which is VERY low for a smart phone and even for dumb phones.
For comparison, the radiation levels for the HTC aria hover around 1.4 W/kg, and some Blackberries are even as high as 1.6 W/kg. The highest limit set by the FCC is 1.6 W/kg, beyond which the phone wouldn't be allowed to be sold in the United States.
The radiation level (SAR) for the Samsung Captivate is 0.42 W/kg, which is VERY low for a smart phone and even for dumb phones.
For comparison, the radiation levels for the HTC aria hover around 1.4 W/kg, and some Blackberries are even as high as 1.6 W/kg. The highest limit set by the FCC is 1.6 W/kg, beyond which the phone wouldn't be allowed to be sold in the United States.