doc.: IEEE 802.15-<doc#> <month year> doc.: IEEE 802.15-<doc#> March 2005 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Emissions Compared Date Submitted: March 18, 2005 Source: [Kazimierz “Kai” Siwiak] Company: [TimeDerivative, Inc.] Address: [10988 NW 14th St., Coral Springs, FL 33071 USA] Voice: [(+1) 954-937-3288], E-Mail: [k.siwiak@ieee.org] Re: This is relevant to UWB emissions levels. Abstract: Emissions masks, both accepted and proposed, are compared with natural emissions. Purpose: Informative for task groups 3a and 4a in P802.15, and others interested in UWB. Notice: This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15. Kai Siwiak, TimeDerivative <author>, <company>

Emissions Compared March 2005 One living human being is out of compliance with FCC UWB rules at and above 186 GHz! mini-glossary: RAS – Radio astronomy service dBm/MHz 0.1 1 10 100 1,000 104 105 -150 -100 -50 -174 dBm/Hz -75 dBm/MHz “Black Body” radiation: one human being, relative to ambient [-106.7+20log(fGHz)] US FCC “handheld” rules Proposed by CEPT Proposed by Ofcom “Calculation of the maximum tolerable e.i.r.p. per UWB device at 1 per km2 ” [from: DG2-2_chapter3.2_RAS_rev1.doc Table QQ] Frequency, GHz Kai Siwiak, TimeDerivative