Nominal Range: 50 to 500 meters depending on Sea Conditions and noise levels (see Sea Conditions)
Transmit Output Power: 1/2 Watt PEP
Reference Frequency: 32.768 kHz upper single sideband.
Audio Bandwidth: 300 Hz to 3,000 Hz.
Automatic Gain Control: Greater than 80 dB.
Earphone: Ceramic with dynamic depth compensation
Microphone: Not Applicable
Transducer: Ceramic cylinder.
Operating Depth: 130 feet of sea water.
Battery Type: Alkaline 9 volt "transistor" type
Weight in Air: 7 oz. (198.45 grams).