I am lucky enough to get my hands on a Realistic TRC-86, the walkie talkie they used in the series. Not sure if it works but just to have as display is
Le Talkie Walkie Realistic de Mike Wheeler (Finn Wolfhard) dans Stranger Things S01E03 | Spotern
Talkies-Walkies et Radio Stranger Things ? | Provence Com
Vecteur Stock Walkie talkie portable radio digital waves receiver with antenna and buttons set realistic vector | Adobe Stock
STRANGER THINGS RADIOS VERSUS MODERN SETS - REALISTIC TRC-214 FIELD TESTING 2020 - YouTube
modèle 3D de Talkie-walkie Vintage des années 80 réaliste TRC-214 - TurboSquid 1074312