NOT a SAR expert, but this excerpt from the article is demonstrably false: > “More fundamentally, the SAR test doesn’t accurately replicate how most people > interact with their phones. Testing phones from 5 millimeters away from the > body may seem close, but for anyone carrying their phone in a pocket, the > distance is closer to 2 millimeters. Because wireless power falls off > exponentially with distance, what might be a safe amount of RF exposure at 5 > millimeters could?be much higher at 2 millimeters.”
Electric field or power density never falls off exponentially and in close it does not fall off as 1/r (electric field) or 1/r² (power density). Very close in it plateaus out. Ken Javor Phone: (256) 650-5261 From: Richard Nute <[email protected]> Reply-To: <[email protected]> Date: Thu, 13 Feb 2020 10:19:35 -0800 To: <[email protected]> Subject: [PSES] A Radio Frequency Exposure Test Finds an iPhone 11 Pro Exceeds the FCC's Limit spectrum.ieee.org/tech-talk/telecom/wireless/radio-frequency-exposure-test-i phone-11-pro-double-fcc-limits?utm_source=techalert&utm_medium=email&utm_cam paign=techalert-02-13-20&mkt_tok=eyJpIjoiTXpReU5qTmtPV014TXpSaSIsInQiOiJcL1p ienhwR2ZRSVwvK3REMVNaR0dRSkdKXC9wYXNkcTVUQVdJTFdXSENvN2xYeGdwQXQ0TzBveWpPTWM 5WHBocEg2UXMwVFhOdElsNGR0VmtueFEwODJQVEtnV0gzdDBabzl2b0k2UVp2SU9nYnhOanBYZlk yWTRpZFk5RzdrbkhpaiJ9 Comments from SAR testing experts? Best regards, Rich - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) <http://www.ieee-pses.org/list.html> List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher <[email protected]> David Heald <[email protected]> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
