RF switch pack CMOS control logic

What is RF? What is an RF tuner?
Radio frequency (RF) is the range of electromagnetic frequencies above the audio range and below infrared light (from 10kHz to 300GHz).
RF tuner
An RF tuner is a circuit module or standalone equipment that detects radio-frequency (RF) signals usually of low amplitude and amplifies and converts them to a form suitable for further processing.

What is a switch?
A switch is a device for changing the course or flow of a circuit. The switch is referred to as a "gate" when abstracted to mathematical form.

What is broadband?
Broadband refers to Internet access via cable and DSL that is 400x faster than dial-up. Entails higher-speed connection.