VPU15 MAXON - Speech Inversion Scrambler

SPEECH INVERSION SCRAMBLER- Protects users against casual listeners

The voice inversion scramblers can be installed into virtually any modelof two-way radio and into most any type of radio system.

This scrambler is user-programmable for up to 4 inversionfrequencies from a list of 37 inversion frequencies. The VPU15 is theonly inversion scrambler that offers automatic detection of scramble/clearaudio when used with other VPU-15 scramblers. The voice inversion scramblers provide superb voicequality and speaker recognition between scrambled and clear audio.

The VPU-15 can be programmed to automaticallydetect scrambled and clear conversations when used with other VPU-15scramblers. This eliminates the need for the receiving radio € ™s operator tomanually toggle the mode of the voice scrambler.

VPU-15: General Specifications

Operating Voltage Varies on Module

Operating Current < 9 mA

Operating Temperature -30 to +60 C

RX Input Level Varies on Module

TX Input Level Varies on Module

VPU-15: Security Specifications

Inversion Frequency Range 2340-3807 Hz

# of Inversion Codes 4

Export Controls NLR EAR99

VPU-15: Kryptic Signaling Specifications

ANI 0000-9999

Emergency ANI Yes

Status 00-99

Location 100 (10 x 10 grid)

Selective Calling Yes

OTAR of Security Keys Yes

Radio Kill Yes

Spy Yes