Radio Frequency 5G Switch (IMAGE) U.S. Army Research Laboratory Caption With US Army funding, researchers at The University of Texas at Austin and the University of Lille in France develop a radio-frequency switch that is more than 50 times more energy efficient that what is used today. Credit University of Texas Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.