(IMAGE) Yokohama National University Caption The sender sends control commands simultaneously to all Internet of Things (IoT) devices on the network through broadcast channel, and only the target entities can execute the commands. Credit Yokohama National University Usage Restrictions The image may only be used with appropriate caption or credit. License Original 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.