Commonly Used Professional and Law Enforcement Bugging Frequencies
37.000 - 952 MHz FCC Surveillance Blanket Authorization
47 CFR 90.19 "Physical surveillance, stakeouts, raids..."
Straight AM/FM/WFM, FM-Subcarrier, SSB, QAM, Spread Spectrum, and
Frequency Hopping. If encrypted, it usually uses in-band voice inversion
or 56 bit DES. (Normally well under 2 watts... most below 5-150mw)
9 kHz - 490 kHz Carrier Current 47 CFR 15.219 Auth (250 mV max.) 490 kHz - 1.705 MHz Lossy Cable 47 CFR 15.221 Auth (1000 mV max.) 450 kHz - 30.00 MHz PLA Systems 47 CFR 15.207 Auth (30 mv@ft/30ft max.) 25 - 50 MHz "Bumper Beepers" ( 38 - 47 MHz very popular) 135 - 170 MHz "Bumper Beepers" (150 - 170 MHz very popular) 450 - 512 MHz "Bumper Beepers" 903 - 904 MHz "Bumper Beepers" 904 - 912 MHz "Bumper Beepers" 918 - 926 MHz "Bumper Beepers" 926 - 927 MHz "Bumper Beepers" 148 - 174 MHz Wireless Microphone 135 - 250 MHz Out-band Wireless Microphone 174 - 216 MHz In-band Wireless Microphone 350 - 440 MHz Common Video Frequency 380 - 930 MHz Wide Band Hoppers 806 - 824 MHz Wireless Microphone 851 - 869 MHz Wireless Microphone 905 - 930 MHz Popular Audio/Video Band 1.1 - 1.3 GHz Common Video Frequency 1.4 - 1.5 GHz Common Video Frequency 1.7 - 1.9 GHz Common Video Frequency (1.710 - 1.755 REAL Popular at 1/10 watt) 2.4 - 2.5 GHz Common Video Frequency (2.400 - 2.450 REAL Popular) 5.7 - 5.9 GHz Common Video Frequency (5.725 - 5.850 REAL Popular) 8.5 - 10.8 GHz Common Video Frequency
"Tactical" Bugs
225 - 400 MHz "Throw away" bugs (10uw-300mw Beer can bugs) 290 - 330 MHz Micro-powered Bugs (5uw-10mw Cigarette Butt Bugs) 180 - 430 MHz Spread Spectrum Wafer Bugs (1.5mm thick * 10mm * 2.9mm) 30 - 500 MHz Tactical Repeaters (75mw-300mw) 285 - 400 MHz Tactical Repeaters (50mw-10watts) 100 - 152 MHz VHF Tactical Repeaters (300mw-25watts) 135 - 174 MHz VHF Tactical Repeaters (300mw-25watts)
VLF Emission and Subcarrier Detection
Common Eavesdropping Frequencies used by Amateur Eavesdroppers
Professional and Law Enforcement Bugging Frequencies
Surveillance Device "House" Frequencies/Bands
Federal Surveillance Frequencies
Surveillance and Spy Satellite Frequencies
Spread Spectrum and Frequency Hopping Bug Frequencies
Bandwidth Resolutions and Filters
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