The bug at conveyed wave occurs without casing and is equipped with an external microphone and cables for connection to the mains supply at 220V.
The system is based on a system designed specifically for eavesdropping, and for the transmission of information gathered through the subcarrier frequency of the electrical network, cable network to 220 V, 50 Hz AC.
This allows you to place up to three transmitters in a single location, each working on a different frequency. The transmitter of the bug is connected in parallel to the cable to 220V, at any point and with any polarity.
The receiver is housed in a metallic box instead, and has cables for connection to the mains, headphone sockets, tape recorder, and cable for external power. The volume control, the tuning knob and switch on and off are located on the front panel.
Thanks to the high value of the subcarrier frequency, it is possible to install the transmitter and the receiver on the two different phases of the mains power cable, so as to significantly reduce any possible interference on the audio channel.
TECHNICAL SPECIFICATIONS AUDIO TRANSMITTER KPL-S
|Frequency||1,6 - 2,4 MHz|
|Power supply||AC 220 V, 50 Hz|
|Output voltage||200 mW|
|Current consumption (AC 220 V)||15 mA|
|Dimensions||45 x 25 x 12 mm|
TECHNICAL SPECIFICATIONS AUDIO RECEIVER KPL-S
|Frequency||1.6 – 2.4 MHz|
(signal/noise 10 dB)
|Current consumption||70 mA|
|- internal||4 x AAA 1.5 V|
|- external||6 V DC, 350 mA|
|Dimensioni||130 x 68 x 20 mm|