CAT1 or Cat 1 may refer to:
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Category 1 cable
Category 1 cable, also known as Cat 1, Level 1, or voice-grade copper, is a grade of unshielded twisted pair cabling designed for telephone
A telephone, colloquially referred to as a phone, is a telecommunications device tha ...
, unshielded twisted pair type cable
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Atwood/Coghlin Airport (ICAO airport code)
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''Cat #1'' (album), an album by Peter Criss
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LTE User Equipment Category 1
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