This book constitutes the refereed proceedings of the Second International Conference on Emerging Wireless Technologies and Sciences, ICEWTS 2024, held in Uttarakhand, India, during October 6-7, 2024. The 8 full papers and 4 short papers included in this book were carefully reviewed and selected from 430 submissions. They focus on multidisciplinary framework of communication engineering, wireless sensor networks, electrical engineering, renewable energies, materials science, physics, mathematics, computer, environment, and many more.