Radio Wave Circulator (IMAGE) University of Texas at Austin Caption Researchers at the Cockrell School of Engineering have built a radio wave circulator that has the potential to double the useful bandwidth in wireless communications by enabling full-duplex functionality, meaning devices can transmit and receive signals on the same frequency band at the same time. Credit Illustrator Erik Zumalt, Cockrell School of Engineering at The University of Texas at Austin 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.