Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-communication-6724bc07cdcc

What can walkie-talkies do?

Send in one direction at a time.

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  1. Only receive, never send
  2. Send in one direction at a time ✔
  3. Send both ways at once

Why: Walkie-talkies are half-duplex, so signals flow one direction at a time.

Huh, didn't know that: Walkie-talkies are half-duplex, so signals flow one direction at a time.

The dad joke
Walkie-talkies take turns talking.
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References

Answer: Send in one direction at a time. Walkie-talkies are half-duplex, so signals flow one direction at a time.

  1. Communication en.wikipedia.org/wiki/Communication
    Half-duplex systems allow two-way exchanges but signals can only flow in one direction at a time, like walkie-talkies and police radios.
    Checked 2026-11-07.

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