Proceedings of the 2nd International Conference on Communication Devices and Computing : ICCDC 2019 This book gathers high quality papers presented at the 2nd International Conference on Communication Devices & Computing (ICCDC 2019) held at Haldia Institute of Technology from March 14–15 2019. The papers are divided into three main areas: communication technologies electronics circuits & devices and computing. Written by students and researchers from around the world they accurately reflect the global status quo.