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homepage Covert Listening Device > Miniaturized digital bugs > Pulse Audio Bug System
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PULSE AUDIO TRANSMISSION KIT

PULSE AUDIO TRANSMISSION KIT

This device is used to transmit audio intelligence via radio channel.
The audio data is accumulated in the transmitter’s internal RAM, and as soon as a certain threshold is reached, it is sent via RF via rapid packet transmission.
The transmitter has a metal case and has connections for external power supply, antennas (data channel and RC signal receiver), and external microphone.
The receiver unit provides the reverse procedure: data packet reception - error correction - packet merging - digital-to-analog conversion.
Via the remote controller, you can adjust output power and mode selection (conversion sampling rate, packet transmission parameters and intervals).
The receiver unit is equipped with sockets for earphones, line out and recorder control sockets, as well as low battery indicator.

FEATURES

  • Quick data transmission makes transmitter almost impossible to detect for bug sweeping devices;
  • Signal is impossible to decode;
  • High audio quality;
  • Low power consumption.
PULSE AUDIO TRANSMISSION KIT

CODE:ENRMI 400
about

Frequency range at sampling rates:  
- 8 kHz 0.3 – 3.4 kHz
- 11 kHz 0.3 - 5 kHz
- 16 kHz 0.3 - 7 kHz
- 22 kHz 0.3 - 9 kHz
Dynamic range of input acoustic channel no less 85 dB
Packet duration (RC selectable) 30 - 250 ms
Packet reoccurrence interval (RC selectable) 1.2 - 26 s

TECHNICAL SPECIFICATION AUDIO TRANSMITTER

Carrier frequency of the data channel
(factory preset)
800 - 1200 MHz
microspie digitali impulsi
ENRMI 400
Modulazione GMSK
Output power (@ 3.6 V) 350/50 mW
Spectrum width (-20 dB) no more 12 MHz
Supply voltage 3.6 - 4.6 V
Current consumption:  
- stand-by mode 200 mcA
- storage mode 15 mA
- packet transmission mode 500 mA
Sensitivity of the RC receiver -2 mcV
Dimensions 137 x 30 x 10 mm

TECHNICAL SPECIFICATION REMOTE CONTROL

Frequency 434 MHz microspie digitali impulsi
ENDPK 010
Modulation AT
Output power 600 mW
Quantity of instructions 17
Power supply 4 x ААА 1.5 V
Supply voltage 6 V
Dimensions 100 x 51 x 18 mm

TECHNICAL SPECIFICATION AUDIO RECEIVER

Sensitivity no less 10 mcV
microspie digitali impulsi
ENPRI 400
Power supply 4 x АА 1.5 V or
external power supply
Supply voltage 6 V
Current consumption 180 mA
Dimensions 170 x 70 x 35 mm


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Disclaimer: The customer is responsible for the knowledge of the laws that rule the use of these devices in his country.
ENDOACUSTICA DECLINES ANY RESPONSIBILITY FOR ILLEGAL USE OF THESE DEVICES.
Copyright © 2001-2013 Endoacustica Europe s.r.l. Via Umberto Terracini, 47 - 70029 Santeramo in Colle (BARI)
tel. 0039 080 3026530 - tel. 0039 080 43730893 - fax 0039 080 40731187 - Skype: endoacustica
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