Miniaturized Wake-Up Receiver - 1 (IMAGE) University of California - San Diego Caption By only waking up a wireless device when necessary, the wake-up receiver (chip stack to the left of the penny) can cut down on power use and extend battery life. The system includes a miniaturized antenna (gold-colored plate below the receiver). Credit David Baillot/UC San Diego Jacobs School of Engineering Usage Restrictions Please credit: David Baillot/UC San Diego Jacobs School of Engineering 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.