5G is at the center of America's beef with Huawei -- here's why it's such a big deal
5G is a faster wireless network, but it's much more than just that -- it will change the way devices connect and talk to one another. Wireless carriers and major tech companies are going all out to plan for it. It's also a factor in the U.S. trade war with China, and a new ban prevents U.S. companies from working with Huawei, even outside of the U.S. where its tech is already banned.