tag:blogger.com,1999:blog-3057869926275243678.post6835386187869687451..comments2024-03-07T17:15:19.426-08:00Comments on Lies, Damn Lies, and Startup PR: Further Safety Limits for Energous? MPEStartupPRhttp://www.blogger.com/profile/10863632782404121915noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-3057869926275243678.post-76981519923810108632018-01-16T20:08:40.595-08:002018-01-16T20:08:40.595-08:00Interesting point, and not something I'd consi...Interesting point, and not something I'd considered. I'll see if I can get time to look into this. Thanks.StartupPRhttps://www.blogger.com/profile/10863632782404121915noreply@blogger.comtag:blogger.com,1999:blog-3057869926275243678.post-85124820271524608172018-01-16T14:26:19.515-08:002018-01-16T14:26:19.515-08:00Another issue with RF charging that I haven't ...Another issue with RF charging that I haven't seen discussed much is the potential for permanently damaging radios (as opposed to temporarily blocking them). Most wireless chipsets have a stated maximum survivable signal strength in the region of -10 to 0 dBm. Even the SAW filters that are often used between the antenna and chipset can be damaged by signals as low as 10dBm.<br />I strongly suspect that many devices that don't nominally receive at 913MHz band nonetheless don't have sufficient selectivity in front of the sensitive bits to handle 20+dBm input at 913MHz, and would therefore risk permanent damage from being put near one of these chargers.Anonymoushttps://www.blogger.com/profile/05518141678846879197noreply@blogger.com