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Producer's Guide: Walkie Talkie Lingo
Walkie-Talkie Lingo | Visual.ly
This Cheat Sheet Contains All the Walkie-Talkie Lingo You Should Know on Set
Walkie Talkie Codes: Basic & Advanced Lingo - Walkie Talkies: Everything You Need To Know
Do police officers use codes on their walkie talkies? If not, why don't they just say 'I need backup at this location'? Or does this happen sometimes without being coded as such? -