With a VPN, no one can see where you are, what you are doing, whom you are talking to, or what you are talking about.
A VPN will protect you anywhere the world, all the time, including cell signals.
Automatic encryption and tunneling of internet communications for complete privacy and security, including over public WiFi's.
"A virtual private network extends a private network across a public network, and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network." Wikipedia