The Austin Spy Shop carries TSCM / bug sweeping equipment ranging from consumer versions all the way to law enforcement grade detectors.
TSCM is the abbreviation for Technical Security Counter Measures.
Lawmate Protector Pro-10G Bug Sweeper | GPS Tracker Detector and Bug Sweeper Professional Grade
Lawmate RD-30 Bug Detector | Finds Cameras, Recorders, & GPS Trackers
Bug Sweep - ANDRE Deluxe Near-field Detection Receiver TSCM