30 KHz Diver Unit
VOX (Model 1080D)

30 KHz Surface Unit
(Model 2000S)

Operating Frequency

USB 28.5 KHz 1 Hz Standard Carrier Frequency
(Other frequencies available)

USB 28.5 KHz 1 Hz Standard Carrier Frequency
(Other frequencies available)

Modulation

Single Side Band
Suppressed Carrier

Single Side Band
Suppressed Carrier

Transmitter Activation

(VOX) Voice-Activated Circuit
or PTT (Push -to-talk)
selectable by diver

PPT (Push -to-talk)

Transmitter Power

5 Watts RMS

5 Watts RMS

Receiver Audio Output Power

1 Watt RMS
Internally Adjustable

2 Watts RMS

Receiver Gain Control

Automatic

Automatic or Manual
Selectable by Operator

Nominal Range in Salt Water

3+ km (1.8+ miles)

3+ km (1.8+ miles)

Maximum Operating Depth

100m (328 ft.)

Splashproof