Car TV tuners are used to switch between channels on a car TV. They receive television broadcasts from available transmitters and convert them into viewable audio and video formats. Most tuners receive signals from both ultra high frequency (UHF) and very hi frequency (VHF) bands. Tuners can also function as FM receivers, because the FM band falls within the viewable TV spectrum and uses the same sound modulation. Car TV tuners may be connected to the TV antenna or have their own antennas built in.
External Car TV Tuners plug into the back of the TV and connect to the antenna. Those that come with antennas either boost or override the existing TV antenna. Newer models also work with computer monitors and newer display types, such as rear-projection and LCD.
Internal Car TV Tuners are built into the TV monitor or receiver. They generally provide poor reception and image quality compared to external tuners. They also use up more power, memory, and other internal resources.
Reception: Choose a car TV tuner with a strong and steady signal reception. Make sure it is not prone to interference from other devices or transmitters. Look for one with noise filters to reduce interference. Controls: Choose a remote-controlled car TV tuner so that you can switch between channels while driving. Look for a small, ergonomic remote control that you can operate while holding the steering wheel.
Filters: If you frequently travel with your children, choose a car TV tuner with parental control filters so that you can block adult channels and programs. If your tuner has a strong reception or large frequency band, look for a filter with a high storage capacity to allow you to block more channels.
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