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To: Joe NYC who wrote (8457)	1/6/1999 12:43:00 AM
From: Arnie Doolittle	Read Replies (2) \| Respond to of 10227

Jozef, the only national cdma telco is Sprint-PCS and they are using 1900 mhz. I assume that ATI is also at 1900 mhz. Thus, PCS and ATI will have higher capex than NXTL. From an investor's point of view that's important info. Arnie

To: Joe NYC who wrote (8457)	1/6/1999 6:27:00 AM
From: Rob Prickett	Read Replies (1) \| Respond to of 10227

CDMA / PCS Power Output, by Regulation If I remember correctly during the years when the FCC was setting up to auction the PCS spectrum, the regulations that were to govern the tower output level (ERP) dictated a much lower power level than the original cellular (TDMA) existing at that time. I think the maximum power was a factor of ten lower than the "cellular". In a simple analysis, the radiative power falls as the square of the distance from the tower (spreads on a spherical surface). So, for a given signal level, the PCS would cover only (roughly) 1/3 the area. Since circles (coverage areas of each PCS tower) do not fit neatly together, you would need three times as many towers to get the same signal strength. Also, I believe there was some regulation about PCS tower height restriction versus "cellular". The regulations may have changed. Also, anyone feel free to correct my simple math. Rob