Samsung's Exynos 980 chip is a processor and 5G modem in one
 

Samsung has announced the launch of the Exynos 980, the company's first mobile processor which combines a 5G modem and mobile application processor in a single chip. Until now, phones with Exynos have needed a second chip for 5G -- putting everything...

https://www.engadget.com/2019/09/04/...ssor-5g-modem/