This seems like the definitive source for technical information on uBeam: http://www.eevblog.com/forum/projects/the-ubeam-faq/ http://www.eevblog.com/forum/pro

This seems like the definitive source for technical information on uBeam: http://www.eevblog.com/forum/projects/the-ubeam-faq/ http://www.eevblog.com/forum/projects/the-ubeam-faq/