CMTS may refer to:
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U.S. Committee on the Marine Transportation System, an inter-agency committee authorized to coordinate policies affecting the U.S. Marine Transportation System
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Cable modem termination system
A cable modem termination system (CMTS) is a piece of equipment, typically located in a cable company's headend or hubsite, which is used to provide high speed data services, such as cable Internet or Voice over Internet Protocol, to cable subsc ...
, a piece of equipment which is used to provide high speed data services to cable subscribers
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