VSB MinusNine

The MinusNine VSB wireless earphone is a revolution in covert communications technology with a physical profile so small that it can be fitted deep into the ear canal making it imperceptible by others as well as comfortable for use in the most challenging special operations.

Description

Description

Ultra-miniature Noise Free Wireless Earphone with swing-tray battery faceplate

Description

The MinusNine VSB wireless earphone is a revolution in covert communications technology with a physical profile so small that it can be fitted deep into the ear canal making it imperceptible by others as well as comfortable for use in the most challenging special operations. MinusNine VSB exploits a technology called Vestigial Sideband Modulation to transmit audio signals over a short range from a neck loop or flatpack without responding to power or data borne interference. This (patent pending) technology is unique in this type of device and not susceptible to eavesdropping or external masking keeping communications secure and reliable. A range of neckloops and shoulderpads are available which can include PTT switches and microphones as well as a car loop amplifier.
 

Specification

Frequency Range: 300-3000Hz
DSP Type: Custom Hybrid, DSP and EEPROM
Distortion: <3% @ 1kHz
Receive:r Magnetic
Maximum Output Sound Pressure Level (2cc coupler) @1kHz: 96dB or preset to customer specification
End of Battery Life: Audible Beep
Battery: 1.4 VDC A10 Zinc Air or Equivalent
Minimum Operating Voltage 1.1 VDC
Typical Battery Life (A10 Zinc Air) >50 hours
Sensitivity (Standard) 66dB@1kHZ ±3dB/10mA/M
Amplifier: Digital Hybrid with custom Hardware + Firmware
Weight (including battery): 1.2 grams
Operating Temperature Range: -10°C to +40°C
Wax Filter Type: Replaceable Mesh Filter
Colour Options: Beige, Mid Brown, Dark Brown.
Custom Fit Option
CE Conformity 89/336/EWG-Electromagnetic Compatibility
ROHS & WEE ROHS: Compliant. WEE: Compliant

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