Description
Description
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Set for wireless encrypted audio transmission - Aurora

Aurora is a set of complex devices allowing to perform wireless encrypted audio radio transmission.

The most important features of the Set for wireless encrypted audio transmission

PACKET DATA TRANSMISSION

Microphone of high sensitivity receives sounds which are converted into digital form, compressed and transmitted to RAM; then they are transmitted in packets to the receiver. After correction and joining the packets, the signal is converted into analog form again. This procedure allows to keep high quality of sound without deformations and noises.

DETECTION PREVENTING SYSTEM

The transmitter sends the packets once a specific amount of time. It is performed quickly and the transmitter, being inactive for a major amount of of time, is very hard to detect.

SENDING FREQUENCY ADJUSTMENT

The user may set the desired packet sending time within the range of 30-250ms and determine breaks between sending them, from 1,2 to 26 seconds.

SIGNAL ENCRYPTING

To protect the transmission the sent signal is encrypted, which prevents it from being intercepted and decoded by unauthorized persons.

HIGH QUALITY OF SOUND

Digital encrypting prevents the sounds from being interfered so the user obtains a clear audio signal of a highest standard.

ADDITIONAL SLOTS

Both the transmitter and receiver have additional inputs which eases the set's usage.
Transmitter:

  • Power supply socket,
  • Antenna input,
  • Microphone slot.

Receiver

  • Headphones slot
  • Remote control
  • Recorder connection slot (allows transmission recording).
Specification
Specification
Specification of Set for wireless encrypted audio transmission - Aurora
Bandwidth at sampling frequency
  • 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 85 dB
Packet transmission duration (set by the remote control) 30 – 250 ms
Break between packet's sending (set by the remote control) 1.2 – 26 s
RMI 400 Audio transmitter
Carrier wave (default settings) 800 – 1200 MHz
Modulation GMSK
Output power of the Set for wireless encrypted audio transmission - Aurora (@ 3.6 V) 350 / 50 mW
Spectral bandwidth
  • -20 dB
  • not higher than 12 MHz
Power supply voltage of the audio transmission set 3.6 – 4.6 V
Current draw
  • stand-by mode: 200 mA
  • data collection mode: 15 mA
  • data transmission mode: 500 mA
Remote control signal sensitivity 2 mV
Size 137 x 30 x 10 mm
DPK 010 remote control
Frequency 434 MHz
Modulation AT
Output power 600 mW
Number of functions 17
Power supply of the Set for wireless encrypted audio transmission 4x 1.5V AAA battery
Power supply voltage 6 V
Size 100 x 51 x 18 mm
PRI 400 Audio receiver
Sensitivity 10 mV
Power supply
  • 4x 1.5V AA battery
  • external power supply
Power supply voltage 6 V
Current draw 180 mA
Size 170 x 70 x 35 mm
Brand
Brand
Spy Shop
Spy Shop is a company created to provide customers with high-end detective devices constructed for monitoring and securing property, protecting confidential information, protecting against surveillance, conducting surveillance and a number of other applications. Recipients of Spy Shop products are both individual customers and government institutions, security agencies, detectives, business owners or law enforcement services. The wide range of products allows you to protect the safety of your child, secure your company and business meetings, track valuable shipments, monitor company property and secure private property. Thousands of satisfied customers, numerous articles in the trade and national press and presence at major specialized events guarantee full satisfaction with the products purchased.
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In box
In box

Set for wireless encrypted audio transmission - Aurora

  • RMI 400 transmitter
  • PRI 400 Receiver
  • DPK 010 remote control
  • User manual
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