Calculated specific absorbed radiation (SAR) distribution in an anatomical model of head next to a 125 mW dipole antenna. Peak SAR is 9.5 W/kg over 1 mg, whole head average is 0.008 W/kg. (USAF/AFRL).Part of the radio waves emitted by a mobile telephone handset are absorbed by the human head. The radio waves emitted by a GSM handset, can have a peak power of 2 watts, and a US analog phone had a maximum transmit power of 3.6 watts. Other digital mobile technologies, such as CDMA and TDMA, use lower output power, typically below 1 watt. The maximum power output from a mobile phone is regulated by the mobile phone standard it is following and by the regulatory agencies in each country. In most systems the cellphone and the base station check reception quality and signal strength and the power level is increased or decreased automatically, within a certain span, to accommodate for different situations such as inside or outside of buildings and vehicles.
The rate at which radiation is absorbed by the human body is measured by the Specific Absorption Rate (SAR), and its maximum levels for modern handsets have been set by governmental regulating agencies in many countries. In the USA, the FCC has set a SAR limit of 1.6 W/kg, averaged over a volume of 1 gram of tissue, for the head. In Europe, the limit is 2 W/kg, averaged over a volume of 10 grams of tissue. SAR values are heavily dependent on the size of the averaging volume. Without information about the averaging volume used comparisons between different measurements can not be made. Thus, the European 10-gram ratings should be compared among themselves, and the American 1-gram ratings should only be compared among themselves.
Nokia,Samsung,iPhone,Anrdoid,Windows and HTC Mobile Phones Review,Concepts,Games,Features,Price and Free Applications.
Health hazards of handsets
Subscribe to:
Post Comments (Atom)
Subscribe This Blog
Popular Posts
-
With World Phone capabilities on a 3G network, a 3.2 MP camera and improved multimedia features, the BlackBerry Tour 9630 Smartphone helps y...
-
DISCLAIMER: THIS IS EXPERIMENTAL SOFTWARE AND HARDWARE. USE AT YOUR OWN RISK. THE MAINTAINER(S) OF THESE PAGES AND THE DEVELOPER(S) OF ...
-
Here is displaying all kind of Ericsson T28,T18 and GF768 codes.You can using this code and repair your phone easily Ericsson T28 *#06# for ...
-
Opera Mini Modified Version allows you to use internet without any cost from your mobile. While this trick is using for many days in Philipp...
-
Problem Solution Nokia 6288 (1) Nokia 6288 not starting loading up When i turn on my nokia 6288 it shows the nokia logo and then flashes bla...
My Take: http://virbots.in/2011/cellphone-addict/