Slough House · World
Surveillance Countermeasure Device
- item
Microphone-shaped device that emits rhythmic pulsing white noise to prevent audio surveillance
- Category
- item
- First appears
- Book 2 · Ch. 13
- Books
- 1
Evolution
BOOK 2Mertvye l'vy
Microphone-shaped device that emits rhythmic pulsing white noise to prevent audio surveillance
Appearances
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