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Technology Stocks : Qualcomm Incorporated (QCOM)

QCOM 174.35

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3:59 PM EST

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To: straight life who wrote (23693)	3/3/1999 10:04:00 AM
From: Clarksterh	Read Replies (1) of 152472

Straight Life - 75% less RF power for CDMA That's a pretty good guess. It is almost certainly less than TDMA systems, but probably more than 1/2 the power needed for TDMA. As for whether the spreading helps reduce the damage, I don't really know but I doubt it. The reason is that the effect on a material (tissue in this case) of one frequency compared to a very close neighboring frequency is normally pretty similar. There are some frequency specific effects, but most are not that strong a function of frequency. In order to see much difference you normally need to change the frequency by an amount which a significant fraction of the starting frequency. CDMAOne spreads the signal by much less than 1%. Hope this helps. Clark

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