The 20cm "rule" in OET65 Supp C applies to operating distance from the body, not between the transmitters. If the 20cm rule applies, then the FCC requires SAR whether it is a fix, mobile or portable device.
David Seabury From: "Rachid Sehb" <[email protected]> To: <[email protected]>; <[email protected]> Sent: Thursday, August 14, 2003 10:32 AM Subject: RE: FCC Human Exposure Limits > > Hello Richard, > > If the device fall into the criteria of " mobile", an RF exposure evaluation > would be required. Since you would have two radio collocated, by less than > 20cm from each other in the same unit, an MPE evaluation would be required. > You would need to show compliance to the whole body exposure, with 2.4Ghz on > and 915Mhz off, and vice versa, and finally with the two units ON. > > Sincerely, > > > > > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > Sent: Thursday, August 14, 2003 9:42 AM > To: [email protected] > Subject: FCC Human Exposure Limits > > > > Consider a handheld wireless device operating in the 915 MHz band or 2.45 > GHz band. Do I understand correctly that such a handheld device where the > radiating elements are expected to be at least 20 cm from the head and torso > of the body is considered to be a "mobile device" by the FCC, and thus it is > sufficient to demonstrate compliance by whole body exposure using the > spatially averaged field? > > Richard Woods > Sensormatic Electronics > Tyco International > > > ------------------------------------------- > This message is from the IEEE EMC Society Product Safety > Technical Committee emc-pstc discussion list. > > Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ > > To cancel your subscription, send mail to: > [email protected] > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Ron Pickard: [email protected] > Dave Heald: [email protected] > > For policy questions, send mail to: > Richard Nute: [email protected] > Jim Bacher: [email protected] > > Archive is being moved, we will announce when it is back on-line. > All emc-pstc postings are archived and searchable on the web at: > http://www.ieeecommunities.org/emc-pstc > > ------------------------------------------- > This message is from the IEEE EMC Society Product Safety > Technical Committee emc-pstc discussion list. > > Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ > > To cancel your subscription, send mail to: > [email protected] > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Ron Pickard: [email protected] > Dave Heald: [email protected] > > For policy questions, send mail to: > Richard Nute: [email protected] > Jim Bacher: [email protected] > > Archive is being moved, we will announce when it is back on-line. > All emc-pstc postings are archived and searchable on the web at: > http://www.ieeecommunities.org/emc-pstc > This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] Archive is being moved, we will announce when it is back on-line. All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
