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Commonly Used by Federal Agencies for Bugs, Wireless Microphones,
and Body Wires (power output normally below 5-50 mW).

Generally Recognized Federal Bug/Spy Bands

Primary Secondary
25 - 75 MHz
135 - 175 MHz 175 - 220 MHz
225 - 440 MHz 440 - 525 MHz


630 - 890 MHz .89 - 1.71 GHz
1.71 - 1.95 GHz 1.95 - 5.50 GHz


5.50 - 12.5 GHz 12.5 - 39.6 GHz

Also, Wide Band Frequency Hopping centered on the video signal of UHF-TV channels
(i.e.: 510 or 670 MHz with a hopping width of +/- 25 MHz)

Keep in mind that the federal government can use virtually any frequency between DC and light.


Specific Federal Surveillance Frequencies


149.3500, 165.9125, 167.3375, 167.3425, 167.4875, 168.0115, 
169.2000, 169.4450, 169.5050, 170.2450, 170.3050, 171.0450,
171.1050, 171.4500, 171.6000, 171.7500, 171.8450, 171.8500,
171.9050, 172.0000, 172.2000, 172.2125, 172.2375, 172.2625,
172.2875, 172.3125, 172.3375, 172.3625, 172.3875, 172.5500,
173.3375 

169.445, 169.505, 170.245, 170.305, 171.045, 171.105, 171.845, 171.905

 27.5750 Customs Low Power under 5 watts
 27.5850 Customs Low Power under 5 watts
163.1000 Customs Low Power under 30 watts
418.5750 Customs Low Power under 30 watts

 40.1200 Federal Shared Mobile Locator Transmitters "Bumper Beepers" 
 40.1700 Federal Shared Mobile Locator Transmitters "Bumper Beepers" 
 40.2200 Federal Shared Mobile Locator Transmitters "Bumper Beepers" 
 40.2700 Federal Shared Mobile Locator Transmitters "Bumper Beepers" 

164.9125 FBI Surveillance 
165.9125 ATF F5	Surveillance
166.2875 ATF
170.4125 ATF
172.2000 DOJ/DEA CH.1
171.6000 DOJ/DEA CH.2 

406.2750 Secret Service
407.8000 Secret Service, CIA, State Department
408.0500 Federal Shared
408.5750 Federal Shared
409.4000 Federal Shared
408.5000 Secret Service
408.9750 Secret Service

418.0500 DEA Low Power
418.0750 DEA Low Power
418.5750 DEA Low Power
418.7500 DEA
418.6750 DEA
418.9000 DEA F2 CINDY (416.325) Surveillance
418.7500 DEA F3 GAIL Surveillance/Strike Force
418.6750 DEA F4 EMILY (416.325) Surveillance

960-1215 MHz Spread Spectrum Systems (Wideband)

8-13 GHz Very popular for wideband, low power (under 10-100mw) 
         video and audio devices

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

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