RECOMMENDATIONS FOR USE
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Installation site – a telephone cable.
Method of connection to the cable - in parallel or to the break of the one of wires.
Power supply – from the cable or an autonomous source.
6.4. AUDIO RECORDER ADAPTERS
Purpose
- interception of the voice information transferred on telephone cable with the
subsequent record to the audio recorder.
Installation site – a telephone cable.
Method of connection to the cable – in parallel or to the break of the one of wires.
Power supply
– from a telephone cable or an autonomous source.
OBJECTS TO TEST AND TYPES OF WIRE EAVESDROPPING DEVICES
Objects of test
Types of wire eavesdropping devices
Telephone cables of city automatic telephone
exchange
telephone transmitters
audio recorder adapters
high-frequency wire transmitters
wire dynamic and electret microphones
Telephone cables of PBX
telephone transmitters
audio recorder adapters
high-frequency wire transmitters
wire dynamic and electret microphones
Power mains
high-frequency wire transmitters
LAN cables
high-frequency wire transmitters
wire dynamic microphones
wire electret microphones
Not operated (disconnected from terminal
units) and/or illegally laid low-current cables
high-frequency wire transmitters
wire dynamic and electret microphones
Cables of radio or cable television
high-frequency wire transmitters of an
audio information and video information