> How frequently the advertising device is sending out a beacon Fine, but then the immediate question is: why is it sending out a beacon so rarely? > for back

> How frequently the advertising device is sending out a beacon Fine, but then the immediate question is: why is it sending out a beacon so rarely? > for back compat, the beacon is sent at the slowest speed of the protocol as is the handshak Fine, but then why was the protocol ever so slow? Electromagnetism hasn’t changed much. > there may be multiple advertising channels Fine, but why are they all so slow?