60Ghz radio, 2-3 foot range. Soli's sensors can detect motion at a range of about two to three feet, Schwesig says, so any device you use within that range

60Ghz radio, 2-3 foot range. Soli's sensors can detect motion at a range of about two to three feet, Schwesig says, so any device you use within that range stands to benefit. http://mashable.com/2015/05/30/google-project-soli-analysis/#I.OrHXCphqqm http://mashable.com/2015/05/30/google-project-soli-analysis/...