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In cable systems, a QAM tuner is linked to the cable in a manner that is equivalent to an ATSC tuner which is required to receive over-the-air (OTA) digital channels broadcast by local television stations when attached to an antenna. Most new HDTV digital televisions support both of these standards.
How to Tell If Your TV Has a QAM Tuner. Most modern televisions come with a QAM (quadrature amplitude modulation) tuner, which is a chip that interprets digital television signals and allows you to see certain channels without a cable box.
Manuals can be found on the manufacturer's web site or by searching Google for the TV model number and manufacturer's name. The best way to check if your digital TV's tuner is clear QAM capable, is to connect your TV and use your remote control to manually tune to a few digital channels.
qam tuner for cable tv tv with qam tuner coaxial cable
QAM tuners work by receiving digital signals from your cable provider and converting them into recognizable content on your TV screen. The tuner can interpret the signals and display high-definition programming, including both standard and premium channels.
Please see Differences Between Limited Basic and Expanded Basic Cable. To avoid service interruptions, install Comcast or other professional equipment (TiVo, CableCARD, etc.). Learn more about requirements for QAM tuners.
QAM stands for Quadrature Amplitude Modulation. QAM is essentially the cable version of ATSC, with QAM tuners allowing your TV to receive unencrypted digital signals from a cable provider (a cable box is required for the encrypted ones).
If you have an integrated QAM tuner in your TV, you may be able to pull in basic stations for free--and in HD.
A QAM tuner (Quadrature Amplitude Modulation tuner) is a device that allows television sets to receive digital channels. QAM tuners are included in most modern television sets, although there are many that have not yet been upgraded to process digital channels.
QAM tuners are easy to install and will give you more features than you can imagine. Some modern QAM tuners will come with many multimedia features which will allow you to enjoy FM radio and HD resolutions.