Signal Guard Telephone Voice
Encryption Elite Model 2000XT Specifications
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Technical
Details:
OPERATING
- CLEAR MODE - User's voice transmitted
full duplex unencrypted.
- SECURE MODE - User's voice transmitted
full duplex encrypted.
- POWER FAIL MODE - Phone will still
operate as in clear mode but without the need for external power
source.
- SPEECH DELAY - 250 milliseconds when
encrypted.
- DIAGNOSTICS - Extensive self-tests
performed on power up.
- ECHO CANCELLER - Automatic near/far echo
cancellation.
- MUTE - Button on handset.
- COMPUTATION CAPACITY - 40 million
operations per second.
- KEY MANAGEMENT - Fully automatic
proprietary.
- KEY DIVERSITY - Unlimited 128 bit keys.
- SYNCHRONIZATION - Not necessary.
CRYPTOGRAPHY
- ENCRYPTION ALGORITHM - Propriety (CES
Safe) non-linear phase signal encryption.
- ENCRYPTION MODE - Fixed length convolve,
10E10,000 combinations.
INTERFACES
- TELEPHONE LINE - RJ-11, RJ-45
- LOOP CURRENT SENSITIVITY - Minimum 15mA
- RINGING VOLTAGE - Minimum 25V RMS, 16Hz
to 25Hz
ELECTRICAL
- SIGNAL BANDWIDTH - 300Hz to 3,000Hz
- LINE IMPEDANCE - 600 Ohm and BT versions
available
- HANDSET - 2 programmable receive volume
levels
- SPEAKER - 8 programmable receive volume
levels
- RINGER - 3 pitches and 8 volume levels
(programmable)
POWER
- POWER SUPPLY - External power pack, 12V
unregulated, AC or DC
PHYSICAL
- HOUSING - ABS, JSR15 or similar
- SIZE (HANDSET CRADLED) - 160mm W x 76mm
H x 222mm D (6.3"W x 3"H x 8.75"D)
- WEIGHT - 590 grams (1.3 lbs.)
ENVIRONMENTAL
- OPERATING TEMPERATURE - 0c to plus 45c
- STORAGE TEMPERATURE - Minus 20c to plus
70c
- HUMIDITY - 5% to 95% non-condensing
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