Another significant problem is mores law and cell phone technology evolution. With advances in cell phone transmission technology the power used by the phones over time, from amps, to CDMA etc has caused the signal to noise ratio to increase thus causing the phones to use require less transmission power. This means that over the course of 10 years there could be several different versions of how cell phones transmit, and the trend has been to lower power (lower transmission power, smaller phones, and longer battery life). So given the rapid changes of cell phone technology and types of radio transmission and strength of the radio field, how can any one create any kind of correlation as by the time the study is done for sure the study is irrelevant for future different versions of cell phone radio transmission.
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Another significant problem is mores law and cell phone technology evolution. With advances in cell phone transmission technology the power used by the phones over time, from amps, to CDMA etc has caused the signal to noise ratio to increase thus causing the phones to use require less transmission power. This means that over the course of 10 years there could be several different versions of how cell phones transmit, and the trend has been to lower power (lower transmission power, smaller phones, and longer battery life). So given the rapid changes of cell phone technology and types of radio transmission and strength of the radio field, how can any one create any kind of correlation as by the time the study is done for sure the study is irrelevant for future different versions of cell phone radio transmission.
Check the Band Width of the Splitter.