I thought this discussion was interesting..but I also thought an article by Mike Sando from the liegate era..is interesting in that it he brings up the fact that some teams get around this 15 seconds..and that the league knows that some teams do that.
Last 15 seconds should be quiet time - NFL - ESPN
One might need to ask where are the Peter Kings of the world who thought spygate was a mortal sin and yet..on this, the man is silent..Where's the outrage Mr King? Why not a WORD about this??
From the article....
"If you've got a sharp guy, then you can beat it," a longtime offensive assistant coach said.
Several coaches and players contacted for this story said they have never witnessed attempts to work around the 15-second cutoff. A few others, speaking on the condition of anonymity, said they found out about such shenanigans from assistant coaches who had left offending teams.
None of these coaches implicated the Patriots.
There are at least four ways to bypass the cutoff system, sources said.
A team could reprogram its radio system to remove the cutoff official from the equation, sending signals directly from the coach's headset to the quarterback's helmet. It could modify the equipment in the booth to achieve the same end. It could install a separate communications system, allowing another coach or quarterback to provide last-second updates. Or, a team could interfere with wires between the sideline and the press box.
The cutoff official, seated near the game-clock and play-clock operators, would not know the difference. But if a random check revealed cheating, commissioner Roger Goodell would presumably come down hard, particularly in the current climate.
That was written over two years ago... and I do have to wonder why this has not been looked into...KNOWN for years and yet.some so called cheating deserves heavy penalties whil others get away with it.