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
Realistic 3 channel 3 watt walkie talkie vintage classic for Sale in Chicago, IL - OfferUp
Realistic Walkie Talkie TRC-224 Citizens Band Radio 3 channel 3 watts. Antique. 1990. Perfect condition. Has two leatherette covers. Works perfect. N for Sale in Orlando, FL - OfferUp
Radio Shack Realistic Line (1969-2000) – Westport Tech Museum
Realistic 27 MHz 4-watt 40-channel handheld CB (citizens' band) transceiver | Science Museum Group Collection
Realistic TRC-502 Two-Way Walkie Talkies 5 Ch. FM Transceiver Like New - general for sale - by owner - craigslist
Vintage Retro Realistic Walkie Talkie Radios Model TRC-3 - Set of 2 - – MicroscopeTelescope
Realistic TRC-214 Handheld CB Radio Walkie Talkie NOT TESTED ! | eBay
Realistic Walkie-Talkie Set
Vtg Realistic TRC-214 Handheld CB Radio 3 Channel Walkie Talkie Tested Working | eBay
Realistic TRC-214 Walkie Talkie iPhone Case – vajacases46.com
Realistic Walkie-Talkie Mockup
Working 1980s Realistic TRC-214 Walkie Talkie by Radio Shack - Etsy