A set-top box is a hardware device that allows a digital signal to be received, decoded and displayed on a television.
The signal can be a television signal or Internet data and is received via cable or telephone connection.
In the past, set-top boxes were mostly used for cable and satellite television.
Do I need a cable box for every TV?
Although a digital cable box is not required for each TV in your home, only TVs that are connected to a digital cable box will be able to receive channels above 99 and use the interactive programming guide. Areas that have transitioned to all digital service will require a digital cable box for each TV in the home.
Can I watch cable without a box?
Most cable service providers offer the option of receiving cable television without a digital cable box, which saves the customer from paying equipment-leasing fees. However, cable customers who subscribe to service without a cable box will not receive scrambled digital cable channels and other digital cable services.
How does a cable network work?
Cable television is a system of delivering television programming to consumers via radio frequency (RF) signals transmitted through coaxial cables, or in more recent systems, light pulses through fiber-optic cables.
Can I connect cable directly to TV?
To connect your TV to a cable outlet, you will need to use a coaxial cable cord. Begin by connecting one end of the coaxial cable cord to the cable outlet. Insert the knob straight into the outlet hole, and turn clockwise until securely fastened.