“ Ultra-Low Power RF Energy Harvesting of 1.9GHz & 2.45GHz Narrow-Band Rectenna for Battery-Less Remote Control”. International Journal of Information and Electronics Engineering 7, no. 3 (May 22, 2017): 118–122. Accessed May 1, 2026. https://ijiee.org/index.php/ijiee/article/view/289.