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
ARE THESE THE NICEST SOUNDING WALKIE TALKIES EVER MADE? THE REALISTIC TRC-1006 - YouTube
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Vintage Realistic / Radio Shack TRC-208A Walkie Talkie - general for sale - by owner - craigslist
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Realistic TRC-214 Handheld CB Radio Walkie Talkie for sale online | eBay
Realistic 27 MHz 4-watt 40-channel handheld CB (citizens' band) transceiver | Science Museum Group Collection
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Realistic TRC-214 80s Walkie Talkie - Buy Royalty Free 3D model by 3dtreatment (@3dtreatment) [946909a]
Realistic TRC-214 Handheld CB Radio Walkie Talkie NOT TESTED ! | eBay