- For a device or system, such as an amplifier or control system, a range of values within which the input signal may be varied without affecting the output. For example, an interval of values within which a measuring instrument will not respond. Also called dead zone, or neutral zone.
- A radio frequency band which is not in use.
- A band within the tuning range of a receiver in which there is no reception due to poor sensitivity or improper design of the circuitry.
- synonymdead zone
- noun an area where mobile phone networks do not operate