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
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ArtStation - Realistic TRC-214 Walkie Talkie
Stranger Things Realistic TRC-214 made from scratch
Claudio Naviglio - Low Poly of Walkie Talkie TRC-214
Installing crystals in old realistic TRC 214 walkie talkie - YouTube
Realistic TRC-214 Handheld CB Radio Walkie Talkie NOT TESTED ! | eBay
Stranger Things Cosplay 2x Antenna Coil Loads for Realistic - Etsy
Vintage 80s Walkie-Talkie Realistic TRC-214 by 3dtreatment | 3DOcean
Realistic+TRC-214+Handheld+CB+Radio+Walkie+Talkie for sale online | eBay
Realistic TRC-214 walkie-talkie vintage for Sale in Winston-Salem, NC - OfferUp
Realistic TRC-214 Citizens Band Transceiver for Sale in Wesley Chapel, FL - OfferUp
Authentic 1985 Realistic Brand TRC-219 Walkie Talkie by Radio - Etsy
Working 1980s Realistic TRC-214 Walkie Talkie by Radio Shack - Etsy
Realistic TRC-214 walkie-talkie vintage for Sale in Winston-Salem, NC - OfferUp
Vintage Walkie Talkie TRC-214 - Blender Market
RetroNewsNow on X: ".@RadioShack creates lookalike walkie talkie iPhone cases, printed with the controls found on the iconic Realistic TRC-214 CB radio. Featured in #StrangerThings3, the TRC-214 was introduced in 1985 https://t.co/q0C20KvZaE
Realistic TRC-214 Handheld CB Radio Walkie Talkies Tested Working Set of 2 | eBay
Working 1980s Realistic TRC-214 Walkie Talkie by Radio Shack - Etsy