Investigation of the Effect of Mobile Phone Antenna Radiation on the Human Head via the Specific Absorption Rate
Namata, Angel Julia
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Mobile wireless devices have become very important in our day to day life because they provide an easy means of communication in addition to all their other advantages. These devices however, operate in the microwave frequency range and hence emit electromagnetic radiation as they send and receive information, which radiation may have harmful effects to the human body when absorbed. This research investigates the amount of radiation absorption that occurs from mobile devices operating at frequencies of 900 MHz, 1800 MHz, 2100 MHz, and 2600 MHz. This is done by designing and simulating microstrip antennas at these frequencies using the HFSS software, and then assessing the SAR performance of a designed human head model due to radiation from these antennas. SAR values were obtained for the different frequencies at differnt distances between the head and the antenna. The obtained SAR values were then compared to the SAR limit of set by the FCC and it was determined that all the values were lower than 1.6 W/Kg which is the FCC limit.