KY57/58 voice encryption
From Signal Identification Wiki
 | |
|---|---|
| Frequencies | 250 MHz,400 MHz |
| Frequency Range | 250 MHz - 400 MHz |
| Mode | FM |
| Modulation | CVSD |
| ACF | — |
| Emission Designator | — |
| Bandwidth | 32 kHz |
| Location | |
| Short Description | The KY57/58/68 Transmission Security Device is designed to protect the transmission of voice or data in the form of audio tones. Uses CVSD modulation like Securenet. |
| I/Q Raw Recording | Download file |
| Audio Sample | |
https://www.prc68.com/I/KY57.shtml
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