5G is the 5th generation mobile network technology that offers higher bandwidth and faster data transfer speeds than previous generations. It uses technologies like CDMA and BDMA that enable speeds greater than 100Mbps for full mobility and over 1Gbps for low mobility. The key advantages of 5G include providing users with more features, efficiency and the ability to easily connect devices like laptops and tablets for broadband access. 5G aims to offer services like high resolution video for mobile users as well as high quality of service.