5G networks are the fifth generation of mobile communication technology, designed to provide faster data speeds, lower latency, and greater connectivity than previous generations like 4G. This technology enables more devices to connect simultaneously, making it ideal for applications such as smart cities, autonomous vehicles, and Internet of Things (IoT) devices. The key features of 5G include enhanced mobile broadband, ultra-reliable low-latency communication, and massive machine-type communications. These advancements support a wide range of services, from high-definition video streaming to real-time remote control of machinery, ultimately improving user experiences and enabling new innovations across various industries.