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- Angstrem ON
This version has the shape of a hand-held two-way radio, similar to
contemporary handheld radios from western manufacturers like Motorola.
It has a built-in speaker-microphone, and a socket for an external earpiece.
This version does not have a remote control unit.
- Angstrem SN
This is the real covert version. It is based on the Angstrem SN,
but is smaller and does not have a built-in speaker. Instead it needs
an external remote control unit, microphone, speaker and vibrator.
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Angstrem SN is the covert variant of the radio. It is based on the Angstrem ON,
but is housed in a smaller enclosure, as it does not have an internal
speaker. Instead, it has a a miniature 14-pin socket at the top, that accepts
an external remote control unit, microphone/speaker and vibrator.
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Device Body-wearable covert two-way radio Purpose Surveillance, VIP protection Manufacturer Angstrem Model SN Country USSR, Russia Frequency 196.500 — 171.125 MHz Channels 8 Output 0.5 Watt Sensitivity 0.5 µV Tone call 1853 Hz, 250 ms Masking Single frequency speech inversion at 3706 Hz Power 8 V
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© Crypto Museum. Created: Friday 09 August 2019. Last changed: Saturday, 14 October 2023 - 08:30 CET.
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