Quick answerSeven radio channels are documented in the research sources. Treat each channel as a location task with its own coordinates and unlock prerequisites.
Radio equipment
- A walkie-talkie carries player voices through radio behavior.
- Transmitters and channel selection are separate concepts.
- Test equipment with two players before the group splits.
Channel checklist
- Record channel name or frequency exactly as shown in-game.
- Add coordinates and the nearest visible landmark.
- Mark any tower or route prerequisite.
Multiplayer use
- Agree on a shared channel before separating and keep a fallback meeting point.
Source policy
Facts on this page are separated from community observations. Platform support and core features are checked against the official site, Steam store and official FAQ; locations and puzzle actions require a current-version in-game replay before they are presented as definitive.