Key characteristics of 5G networks compared to previous generations include significantly higher data transfer speeds, lower latency, and increased capacity to support a larger number of devices. 5G technology enables faster download and upload speeds, enhancing mobile experiences for users. With lower latency, real-time applications such as gaming and autonomous vehicles can operate more efficiently. Moreover, 5G networks facilitate the growth of the Internet of Things (IoT) by connecting millions of devices seamlessly, driving advancements in automation and smart infrastructure.