Function and usage of "Listen Before Talk" (LBT)

"Listen before Talk" technology (LBT) prevents several wireless switching devices from all transmitting signals at the same time. But how exactly does this "time management" system work?

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Function and usage of "Listen Before Talk" (LBT)

"Listen before Talk" technology (LBT) prevents several wireless switching devices from all transmitting signals at the same time. But how exactly does this "time management" system work?