passband
/ˈpæsˌbænd/
noun
- A range of frequencies that a filter, circuit, or device allows to pass through with little or no loss.
- The passband of the optical sensor covers visible light but blocks infrared.
- The radio's passband is set to receive only frequencies between 88 and 108 MHz.
- Engineers designed the filter with a narrow passband to block out unwanted noise.