An unencrypted digital channel from the cable company. Most digital TV sets have a built-in clear QAM tuner, which can decode a limited number of TV stations, such as local broadcasts, PBS and ...

(1) The electronic circuit in an analog or digital TV that latches ... See carrier and QAM. (2) A plug-in card or USB module for a computer that tunes in over-the-air (OTA) or cable TV channels.