What is Simplex Communication?

This post briefly defines the term: Simplex Communication.

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What is Simplex Communication?

We define simplex communication as communication that only operates in one direction.

Simplex is One Way or One Direction Communication

A couple of obvious examples of Simplex Communication would be Radio or Television Broadcasting.

Satellite Dish receives One-Way Communication (or Broadcasts) from Radio/TV Stations
Satellite dish on the modern building roof corner with blue sky in the background.

Unless you count being able to place a phone call to your Radio or TV Station, you can’t usually send traffic back to the Radio or TV Station transmitter.

ITU (International Telecommunication Union) does define Simplex Communication as a communication channel that operates in one direction at a time but that may be reversible (communication can occur in the opposite direction).

I would argue that ITU’s definition is that for Half-Duplex Communication.

Other basic terms for communications include:

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Author: Darrell Smith

Darrell Smith has more than 30 years of experience as an Electrical Engineer. He has about 20 years of experience as an Applications Engineer and the remainder of his time was spent in Hardware Design and Product Marketing. He will now be sharing his wealth of knowledge on this blog.

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