The new executive status symbol is a PC with a 5G modem built-in. You won't have to connect to Wi-Fi. Verizon is one of the first to market, which adds $30 to your monthly wireless build. It will happily sell you the Lenovo in the picture for $1400. If you don't use Verizon wireless, the charge is $90.
Bevin Fletcher reports Lenovo had challenges adding 5G millimeter wave to the laptop and uses 9 antennas. Verizon refuses to provide any information on millimeter coverage; it's almost certainly less than 15% of the U.S. but centers on business districts.
Telcos originally expected many people would pay extra to connect tablets and PCs. So far, the signups have been very disappointing. Wi-Fi keeps getting better and is enough for most people.