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Meaning of infinity box | Babel Free

Noun CEFR B2

Definitions

A device used in phreaking that can be activated remotely, typically for the purpose of eavesdropping on telephone calls.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

infinity pool infinity scarf infinity shot infinity symbol infinity theory infinity transmitter

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