Quotes from the news wire:
We are dedicated to making football safer and continue to take steps to protect players, including rule changes, advanced sideline technology and expanded medical resources, we continue to make significant investments in independent research... and other efforts to accelerate the science and understanding of these issues.
The coaches' communications equipment, including the headsets, is provided by the NFL for both clubs' use on game day, the home team is responsible for the installation and maintenance of that equipment. Every team's game day communications personnel are required to work with the NFL communications consultants to ensure wireless equipment is free and clear of interference and address any problems. Technological and stadium infrastructure issues of this type happen at many stadiums around the league and whenever there are issues of this nature, we do a thorough review.