I have it included with my T-Mobile plan, I have had to use it a few times when I lost connection to the network. I know they keep adding more apps that will work with the satellite network, and they're working on including voice and data as well in the future as they have the largest satellite network, think Verizon has about a 1/4 of the satellites, and AT&T is still trying to get their network up and running. pretty sure T-Mobile has the greatest number of phones that can connect as well. You can get their satellite service for a monthly charge with an unlocked phone that has esim capability