This document presents a comprehensive solution to a wireless networks and communication assignment. It begins by differentiating between the IP layer and network access layer, highlighting their distinct roles in data packet handling. The solution then explores a communication model involving translation, followed by detailed analysis of signal characteristics, including amplitude, frequency, and phase. The assignment also addresses isotropic loss calculations in free space and analyzes a given signal to determine its fundamental frequency and bandwidth. Furthermore, the solution explains the Nyquist theorem and its implications on channel capacity. It also compares and contrasts circuit switching and packet switching technologies. Finally, the assignment includes calculations related to the distance between towers based on their heights and the Earth's curvature.