VPU-12A Voice Inversion Scrambler
User-programmable voice inversion scrambler
Midian's VPU series of inversion voice scramblers protect your voice communications against casual listeners. By mixing the frequency of the voice with an inversion tone in a balanced modulator, sum and difference frequencies are created. A low-pass filter eliminates the sum and the difference is transmitted as "inverted voice". The "inverted voice" undergoes an identical process on the receiving end that reconstructs the voice.
Midian's voice scramblers are ideal for government, public safety, fleets (i.e. taxi, towing, fishing), and private use.
Features
- Mode indication tones
- Programmable via Midian's KL-4F Programmer
- Protects against casual listeners
- Scramble/clear mode is selectable
- Small size fits into most radios
- Superior audio quality
- User-programmable for up to 16 codes
- User-programmable to any inversion code between 2100 - 4096 Hz
- 3 year warranty
Installation
Midian's VPU series voice scramblers can be fitted into most radios. Midian currently offers plug-in inversion scramblers for many current OEM radios. Midian's voice scramblers are well known in the industry as offering the best audio quality and speaker recognition.
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