EAVESDROPPING DEVICES SUMMARY DEVICE NAME PRIMARY USE IN EAVESDROPPING OPERATING PRINCIPLE 1. ASPIRIN TABLET MINIATURE DROP-IN CONCEALABLE EAVESDROPPING SENSES ROOM AUDIO AND MODULATES INTERNALLY GENERATED RADIO SIGNAL FOR TRANSMISSION 2. BODY TRANSMITTER AGENT SECURITY AND EVIDENCE CORROBORATION SAME AS ITEM NO. 1 3. DROP-INS AND PRE-PACKAGED CONCEALMENT QUICK PLANTS OR INSTALLATION IN TARGET AREA SAME AS ITEM NO. 1 4. TELEPHONE TAPS TELEPHONE RADIO TAPPING TRANSMITS TELEPHONE LINE ELECTRICAL SIGNALS TO DISTANT RADIO RECEIVERS 5. WIRELESS MICROPHONES ROOM EAVESDROPPING SAME AS ITEM NO. 1 6. BABY MONITORS ROOM EAVESDROPPING SAME AS ITEM NO. 1 7. WIRELESS INTERCOMS OFFICE COMMUNICATIONS TRANSMITS ROOM AUDIO OVER EXISTING POWER LINES TO RECEIVING DEVICE 8. TELEPHONE CONFERENCE CALL MONITORS TELEPHONE CALL MONITORING TRANSMITS TELEPHONE LINE ELECTRICAL SIGNALS TO DISTANT RADIO RECEIVER 9. CARRIER CURRENT TRANSMITTER ROOM MONITORING USES VLF TO COMMUNICATE OVER EXISTING POWER LINES TO LISTENING POST 10. MICROWAVE TRANSMITTER ROOM MONITORING USES MICROWAVE BEAM TO COMMUNICATE TO RECEIVING SITE 11. PASSIVE REFLECTORS ROOM MONITORING REFLECTS INCOMING RADIO BEAM BACK TO SENDER WITH AUDIO SIGNALS ADDED 12. SWITCH RECEIVERS REMOTE CONTROL OF EAVESDROPPING TRANSMITTERS MINIATURE RADIO RECEIVER USED TO TURN ON AND OFF POWER OF BUG TRANSMITTER BY REMOTE CONTROL 13. LIGHT BEAM (NON COHERENT) ROOM MONITORING USES HIGHLY DIRECTIONAL LIGHT BEAM TO SEND AUDIO BETWEEN TWO POINTS 14. LASERS (COHERENT) ROOM MONITORING USES LASER BEAMS TO DETECT MINUTE VIBRATIONS 15. MINIATURE TAPE RECORDERS ROOM MONITORING AND EVIDENCE CORROBORATION LEAVE BEHIND PACKAGE CONTAINS CONCEALED TAPE RECORDER