walkie-talkie
US /ˈwɑː.kiˈtɔː.ki/
UK /ˈwɑː.kiˈtɔː.ki/

1.
walkietalkie
a two-way radio that can be carried and used by one person, used for communicating over short distances
:
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The security guards communicated using walkie-talkies.
De bewakers communiceerden met walkietalkies.
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My son loves playing with his toy walkie-talkie.
Mijn zoon speelt graag met zijn speelgoed walkietalkie.