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E-11H DEVICE



1 PURPOSE
This portable non-secret medium-rate device is designed for encryption with guaranteed cryptostrength of voice information (confidential or related to state security) transmitted in simplex mode at 1200 bit/s over digital and telephone channels of portable UHF radio stations and over physical communication lines.
Linear predictive vocoder that provides high speech quality is used in this device.
Built-in VF-signal conversion unit provides its use with existing portable UHF radio stations and the digi-tal interface provides its use with portable satellite-communication stations and with future digital HFW radio stations.
When using separate HF modem it provides the operation over HF communication channels.

2. BASIC TECHNICAL CHARACTERISTIS

Operation rate
Mode of operation
Communication channel type
Speech converter type
Can be used with devices
Length of the key
Key set power
Power supply
Power consumption
Dimensions
Weight (without storage battery)
Components
Operating time to failure
1200 bit/s
simplex
digital, UHF, HF radio station
linear predictive vocoder
E-11C
256 bits
1077
12-27 V
to 4 W
156 x 65 x 250
1.9 kg
TMS320C50
30000 hours