Set-top box
A set-top box (STB) or set-top unit (STU) is an information appliance device that generally contains a TV-tuner input and displays output connects to a television set and an external source of signal,...
Set-top box - Wikipedia
Cable converter box
A cable converter box or television converter box is an electronic tuning device that transposes/converts any of the available channels from a cable television service to an analog RF signal on a sing...
Integrated receiver/decoder
An integrated receiver/decoder (IRD) is an electronic device used to pick up a radio-frequency signal and convert digital information transmitted in it.
Consumer IRDs, commonly called set-top boxe...