half-duplex

American  

[haf-doo-pleks, -dyoo-, hahf-] / ˈhæfˈdu plɛks, -ˈdyu-, ˈhɑf- /

adjective

1. of or relating to the transmission of information in opposite directions but not simultaneously.

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Example Sentences

The Eufy is only half-duplex audio, which is like using a walkie-talkie The Arlo has much better two-way audio, using full-duplex audio, which is like having a phone conversation, whereas the Eufy is only half-duplex, which is like using a walkie-talkie.

From The Verge

Separately, Davis has a contract to sell his three-bedroom, half-duplex in Mundelein, which is on the market for $225,900.

From Chicago Tribune

Even worse, Skype is what’s called “half-duplex”, which means it works like a CB radio; both parties use the same channel, so if you both try to talk at one time, one of you will get shut out.

From The Guardian