CIS-8181
From Signal Identification Wiki
CISCommonwealth of Independent States (CIS), the former Soviet Republic-8181 is a FSKFrequency-Shift Keying modem used by the Russian navy.
Samples[edit]
Sample 1:
Sample 2:
CISCommonwealth of Independent States (CIS), the former Soviet Republic-8181 is a FSKFrequency-Shift Keying modem used by the Russian navy.
Sample 1:
Sample 2: