| |
SDU-MARK I
10 KHz Diver Unit |
SDU-MARK II
18 KHz Diver Unit |
SDU Surface Unit |
|
Operating Frequency |
USB 8.0875  1 Hz
Standard Carrier
Frequency (other
frequencies available) |
USB 16 KHz 1 Hz
Standard Carrier
Frequency (other
frequencies available) |
USB 16 KHz 1 Hz
Standard Carrier
Frequency (other
frequencies and dual
frequencies available) |
|
Modulation |
Single Sideband
Suppressed Carrier |
Single Sideband
Suppressed Carrier |
Single Sideband
Suppressed Carrier |
|
Transmitter Activation |
PTT (Push-to-talk)
with lock/release |
PTT (Push-to-talk)
with lock/release |
PTT (Push-to-talk) |
|
Transmitter Power
High Power:
Low Power |
Operator Selectable
50 watts RMS
0.5 watts RMS |
Operator Selectable
50 watts RMS
0.5 watts RMS |
Operator Selectable
50 watts RMS
0.5 watts RMS |
|
Receiver Audio Output Power |
1 Watt RMS |
1 Watt RMS |
1 Watt RMS |
|
Receiver Gain Control |
Automatic  90dB |
Automatic 90dB |
Automatic or Manual 90dB
Operator Selectable |
|
Nominal Range in Salt Water |
High Power: 10 km (6.2 miles)
Low Power:1.5 km
(5000 ft.) |
High Power: 7 km (4.2 miles)
Low Power:1 km
(3,300 ft.) |
High Power: 10 km
(6.2 miles) @ 10 KHz
High Power: 7 km
(4.2 miles) @ 18 KHz
High Power: 5 km
(3 miles) @ 30 KHz |
|
