He means internet.
Do you not have broadband to the home either? You just use LTE for everything?
Check various
coverage maps to see what carried can hit your frequent locations. They probably have settings of key for 4G LTE and 3G and so on.
Several providers have wifi calling too.. I know ATT does.. T-mobile also. How that works is this.. suppose you have spotty coverage at home.. or in the basement. But your wifi router signal can get there.. in your phone's setting you likely have the ability to turn on wifi calling. Then your cell will get calls over your internet... assuming you have broadband and a good wifi signal and you have wifi turned on. And while using wifi none of your data use counts toward any kind of mobile data limit.
Perhaps the thing to look for now is future proofing.. as 5G LTE nears it will be a game changer. Most phones cannot do it so it is a bit far off still.. but some of the providers will have that backbone up sooner than others. When that arrives, I think it will be very possible to do without wired broadband... so unlimited plans with deals for TV channels and such, you essentially will have IP TV.. and cast everything to the local TV where you want to view it. When you see TVs coming with 5G LTE then you know its time for "cable" to go wireless.