Hashmi, Galib, Md Nazmul Huda, Md Kowsar Hossain Mamun, and Md Habibur Rahman. “Design and Development of a Low-Cost 2.4 GHz GFSK Modulation Based Walkie-Talkie”. Dhaka University Journal of Applied Science and Engineering 7, no. 2 (April 4, 2023): 16–20. Accessed November 25, 2024. https://banglajol.info/index.php/DUJASE/article/view/65089.