Abstract—This study focuses on the generation of signals at frequencies associated with various cellular generations, accompanied by an analysis of their corresponding wavelengths. In this, GNU Radio Companion, an open-source software toolkit, is utilized as a primary tool for signal processing and analysis. The objective is to explore and comprehend the characteristics of signals pertaining to diverse cellular generations, including 1G, 2G, 3G, 4G, and 5G networks. The objective lies in creating signals representative of each cellular technology, enabling a detailed investigation into the respective wavelengths associated with these frequencies. The utilization of GNU Radio Companion facilitates efficient signal generation and robust wavelength analysis, providing valuable insights into the propagation characteristics and spectral properties of signals employed in different cellular communication standards. Through this exploration, the study aims to elucidate the relationship between frequency, wavelength, and cellular communication technologies, contributing to a deeper understanding of wireless communication systems and their evolving standards. Keywords—Cellular Generations, Signal Generation, Wavelength Analysis, GNU Radio Companion, Wireless Communication, Signal Propagation.