The PokéPod is a device in Pokémon Uranium that allows the player to view the map of Tandor, listen to the radio or receive calls from trainers itching for a rematch.
Unlike many Pokémon games, the rematch trainers have Pokémon whose levels scale with your own team's levels. They are an excellent way to level up your Pokémon or acquire money. The game determines when they'll be ready for a rematch based on how long the game has been open since the last time you fought them. It will take between 8 and 15 minutes.
You can also use the PokéPod to call Professor Bamb'o to check on the progress of your Pokédex. However, you will still need to visit him in person to claim any dex progress rewards you may have earned.
In Patch 1.0.2, the radio now functions by using the "custom" selection in the PokéPod radio, and the options are no longer blank.