The Modular USRP (Universal Software Radio Peripheral) System represents a cutting-edge approach to software-defined radio (SDR) technology, designed for flexibility and high performance in a range of applications. Developed by Ettus Research, the Modular USRP System is recognized among researchers, engineers, and hobbyists for its ability to facilitate the rapid prototyping and deployment of various radio communication systems. This innovative platform exemplifies the critical principles of Software-Defined Radio, where hardware capabilities can be reconfigured through software to accommodate diverse frequency bands and modulation schemes. At the core of the Modular USRP System is its modular architecture, which allows users to customize hardware configurations depending on their specific requirements. This system comprises two main components: a host computer that runs software to process signals and perform other computational tasks, and a set of interchangeable hardware modules, commonly referred to as daughterboards. These daughterboards can support a wide variety of frequency ranges and RF front-end settings, making it suitable for applications ranging from cellular communications to academic research in wireless technology. The Modular USRP System is driven by high-performance signal processing capabilities, leveraging powerful ADCs (Analog-to-Digital Converters) and DACs (Digital-to-Analog Converters), alongside multiple antennas for both transmission and reception tasks. This allows for the transmission and capture of signals in real-time, at high fidelity, across a wide spectrum of frequencies. The system is compatible with various widely used software frameworks, such as GNU Radio, enabling the development of complex signal processing algorithms and streamlining the learning curve for users new to the field of SDR. Additionally, the USRP product line has gained significant recognition and credibility within the engineering community, supported by a robust user base and a wealth of online resources, documentation, and forums for troubleshooting and knowledge sharing. The open-source aspect of associated software tools further enhances its accessibility, fostering collaboration and innovation among users worldwide. With the growing demand for versatile communication systems in environments such as IoT (Internet of Things), 5G networks, and beyond, the Modular USRP System stands at the forefront of SDR technology. Its ability to adapt and scale with the rapid advancements in wireless communication offers a compelling solution for both academic explorations and commercial applications, setting the stage for future developments in the field of telecommunications.