listening device
Covert audio recorder
A listening device is equipment used to secretly hear or record conversations.
The term usually implies covert surveillance—a hidden microphone, wiretap, or bug planted to gather intelligence or evidence: They swept the room for listening devices.
In espionage and law enforcement contexts, planting a listening device typically requires legal authorization.
Crawling creature or defect
- wiretapHidden listening device
- tapValve controlling liquid flow
- interceptSeize en route
- eavesdropListen to private conversations
monitor · covert · clandestine · surreptitious · snoop · spyware · tracker · CCTV
Crawling creature or defect
- wiretapHidden listening device
- surveillanceSystematic observation of subjects
- counterintelligenceDefense against enemy espionage
- intelligenceMental ability, cognitive capacity
mole · agent · handler · dead drop · scrambler · jammer · countermeasures · sweep
Wearable speakers for ears
- earbudsTiny insertable audio devices
- speakersAudio output devices
- microphoneAudio input device
- amplifierSignal-strengthening electronic device
receiver · cochlear implant · soundbar · stereo · subwoofer · tweeter · woofer · transducer
Short-range wireless protocol
- wirelessUntethered signal transmission
- digitalOf discrete data
- analogComparable equivalent
- transmitterSignal-emitting device
receiver · frequency · acoustics · audio interface · noise-canceling · smart speaker · Alexa · parabolic
bug
Crawling creature or defect
eavesdrop · monitor · covert · clandestine · surreptitious · snoop · spyware · tracker · CCTV · hidden camera
bug
Crawling creature or defect
- wiretapHidden listening device
- surveillanceSystematic observation of subjects
- counterintelligenceDefense against enemy espionage
intelligence · mole · agent · handler · dead drop · scrambler · jammer · countermeasures · sweep · detector
headphones
Wearable speakers for ears
- earbudsTiny insertable audio devices
- speakersAudio output devices
- microphoneAudio input device
amplifier · receiver · cochlear implant · soundbar · stereo · subwoofer · tweeter · woofer · transducer · headset
Bluetooth
Short-range wireless protocol
transmitter · receiver · frequency · acoustics · audio interface · noise-canceling · smart speaker · Alexa · parabolic · lavalier
- surveillance lawwiretap, FISA, phone tap, electronic surveillance, eavesdropping
- espionagespy, spies, double agent, double agents, spying
- Spy Fictionspy, secret agent, double agent, MI6, CIA
- surveillancesurveillance, CCTV, security camera, surveillance camera, surveillance cameras
- audio devicesmicrophone, mic, CD player, iPod, stereo
- intelligencesmart, IQ, memory, bright, clever
listening devicecamera
Image capturing device
hidden camera · surveillance camera · video camera · CCTV · video recorder
listening devicespeaker
One who talks
loudspeaker · megaphone · PA system · broadcasting equipment · transmitter
listening devicesignal jammer
Broadcasts interference to block signals
white noise generator · bug detector · scrambler · Faraday cage · privacy screen
listen, device, hearing, listening, listener, listens, listened, listeners, acoustic