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Digital Audio Transmitter STRC-400A

Introduction

STRC-400A A digital radio bug will transmit a digital radio signal, providing for absolute clarity of sound. Our digital radio bugs use an advanced technology that optimized the transmission quality and most of all, thanks to its encryption method, makes the transmission absolutely impossible to decipher for whoever tries to intercept the digital transmitter signal.

Only who uses a receiver with the proper decryption key (STV-02) can listen to the transmission. Quality digital bugs use spectrum inversion, that is, they cut the signal in millions of little pieces which are then transmitted in so called "bursts".

Due to its tiny size the transmitter can be concealed in various items. The STRC-400A transmitter is suitable for the most miniature types of camouflage, making it an indispensable intelligence gathering tool for nearly every scenario.

The low power consumption enables excellent long-term audio monitoring operations. The STRC-400A provides excellent transmission quality, making them the ideal choice for body-worn applications, close protection monitoring and temporary deployments.

Application:

  • Design for Hidden Installation
  • Close protection monitoring
  • Standard Indoor Surveillance Operation
  • Homeland Security
  • Temporary deployments
  • Law enforcement, Governmental or Police agency

Advantage:

  • Simple Digital Mini Transmitter without Remote Control
  • Activate/Deactivate of the Mini Transmitter by switch
  • On request programmable 4-digit PIN to encode transmission and prevent from non-authorized listening (10000 possible combination of PIN-code)
  • On request programmable working frequency (400 frequency channels)
  • Audio input for external microphone
  • Battery low warning
  • Built-in Frequency Synthesizer
  • Built-in battery charging circuitry
  • Small size
  • Designed for working with STV-02 Digital and Analog Receiver

Specification:

Frequency of the transmitter (on demand):   400 MHz ÷ 440 MHz
Frequency step 100 kHz
Output Power: +18 dBm
Modulation: FSK @ 100 kHz
Audio coding nonlinear PCM
Power Supply: 3.6V (Li-pol battery 230 mA/h)
Operation time: 1.5 hours
Antenna: 180 mm
Microphone: built-in, Knowles (optional - extension)
Dimensions: 48 x 23 x 12 mm
Charger: 5VDC, 500mA
Charging time: 120 min
   
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