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Spectral Analysis of Various RF Bugging Devices


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Left: Clear RF Spectrum (No Bug)
Right: Same RF Spectrum (Bug turned on)


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Left: Clear RF Spectrum (No Bugs) - Broadcast FM Band
Right: Same RF Spectrum (Bug on and "Snuggled") - Broadcast FM Band


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Left: Detail Scan of Snuggled Bug - Broadcast FM Band
Right: Close-In view of Same Device (Notice Wide FM Modulation "Jitters")
(This reading was taken at a distance of six inches from the antenna)


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Left: Body Wire Covert Transmitter/Wireless Microphone
Right: Digital Burst Bumper Beeper
(Digital noise to the left of the spike, dead give-away of digital device)


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Left: 155 MHz Telephone Bug
Right: Microwave Spread Spectrum Frequency Hopper (1.713GHz)


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Left: Carrier Current Audio Bug (355kHz VLF) - Bugged Electrical Outlet
Right: Covert Video CCD Camera (VLF Emission) 15.750kHz - Hidden in light


pandisplay-

Spectragram of Spread Spectrum Transmitter, dispersion "view" is 300 MHz, the bug is the "hump" on the left third (75 MHz) of the display.


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Left: Burst Audio Bug (turned OFF)
Right: Same Burst Audio Bug (turned ON)
Note: The "hump" on the right is caused by the digital circuitry in the device.


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This is the 3.6 second data burst which occurs once every 6 hours. The audio is digitized, compressed, and held for burst transmission.


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Left: Ultra Low Power "Part 15" FM Bug
Right: Audio Bug Hidden next to TV Channel, very easy to miss


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This is a Multi-Trace Spectrum Analysis of a Wideband Frequency Hopping bug.

The device covers 50 MHz of bandwidth, spectrum was swept (chirped) 500 times per second.


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Your Turn, Do YOU see any Bugs on this spectrum display?

Advanced TSCM Signals Detection and Analysis
TSCM - Sweeping the Spectrum for Eavesdropping Devices

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    To be contacted for a confidential consultation
    please E-mail: jmatk@tscm.com

    or send a letter via US Mail to:
    James M. Atkinson
    Granite Island Group
    127 Eastern Avenue #291
    Gloucester, MA 01931-8008

    or call:
    Telephone: (978) 546-3803 / Fax: (978) 546-9467

    URL:

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