5G is the proposed next generation of wireless technology that will provide significantly higher bandwidth and lower latency compared to current 4G networks. 5G will allow for multi-gigabit data transmission speeds, support new applications like virtual and augmented reality, and connect a vast range of internet of things devices. It is expected to be commercially launched starting in 2020. Some of the key benefits of 5G include high speeds of over 1 Gbps, low latency, support for high-bandwidth applications, and connectivity of billions of devices. However, fully realizing 5G will also involve overcoming major technical challenges related to developing new network architectures and spectrum availability.