The communicator does?

[Finds the manual that was in the bag and returns to take a seat on the bed once again while flipping through the book. ]

The PokéGear has several functions… [Reading from the book. ]
Among them are a clock, a map, a phone and the radio.

[Smiles at this sudden wealth of information. ]

You were right. This little device is a good deal more useful than a simple communicator. The map… sounds especially interesting.