The airlines have warned that a 5G rollout would cause hundreds of flights to be canceled, diverted or delayed.
"This has big implications," says Harvard's Graham Allison, one of the report's authors.
AT&T and Verizon spent tens of billions to get the latest 5G technology up and running. But airlines say it could impact plane safety.
The reality right now is this: Superfast 5G exists, but it’s rare.
The fastest of the new 5G networks are still being built, meaning the infrastructure for these new iPhones is not completely there yet.
Compared to the rest of the world, the U.S. ranks dead last in 5G speeds.
It's a plan to free up space for commercial 5G signals so they're less likely to get blocked.
The Galaxy S20 will be ready for next-generation wireless networks, which should improve later this year.
The UK decided not to follow U.S. advice to kick Huawei out of its 5G infrastructure. But it still put a lot of limits on the Chinese company.
There's a trade off between how fast people can download things … and whether coverage can reach people in remote areas.