Yesterday I was in my room, and one of the cheap kids' walkie-talkies started making a loud distinct beeping sound pattern that sounded kind of like Morse code. Why? - Quora
Walkie Talkie Set - Paw Patrol | Early Learning Centre
eKids Avengers Walkie Talkies with Lights and Sound Effects
Talkie Box 3: The sound of walkie talkies, telephones and radios in your music - RouteNote Blog
Walkie Talkie Radio Static | HQ Sound Effects
Walkie-Talkie feedback, radio transceiver, loud, v1 ~ Stock Sound #32863930
Walkie-Talkie Static - TV Tropes
The Weird, Analog Delights of Foley Sound Effects | The New Yorker
Comic Book FX - The Comic Book Sound Effect Database