passband
/ˈpæsbænd/Definitions
1. noun
A range of frequencies within which a signal can pass through a filter or communication system without being attenuated or blocked.
“The radio engineer adjusted the passband to eliminate the static noise.”
2. verb
To allow or permit a signal to pass through a filter or communication system within a specified frequency range.
“The amplifier is designed to passband the high-frequency signals.”
3. noun
A range of frequencies within which a signal is amplified or allowed to pass through an electronic circuit or system.
“The audio equipment has a wide passband to provide clear sound quality.”