I downloaded an Active Camo mod where you can find "walkie talkie" shaped equipment that allows toggleable camo powered by batteries. The video guide on where to find them linked through Steam
Steam Workshop::Silent Hill Radio REDUX - Zombie Detector
41.60multiplayer] Text communication (/say) on walkie talkies non functional - Bug Reports - The Indie Stone Forums
Walkie-Talkie - Official The Forest Wiki
4 Tips to Level Electrical in Project Zomboid (Build 41) — Set Ready Game
Radio | Project Winter Wiki | Fandom
Walkie Talkie - PZwiki
41.60multiplayer] Text communication (/say) on walkie talkies non functional - Bug Reports - The Indie Stone Forums
ApCom - HAM Radio's & Walkie Talkies [SP/MP] - Mods - The Indie Stone Forums