Dukane - Beacon Underwater, Acoustic, W/c Code Lithium Battery | DK140 flight instructor headset This high-quality kit helps prevent

This high-quality kit helps prevent wear and breakage caused by repeated motion

or Boeing collector

or 55 Gallon

Folded dimensions: 15

Dukane - Beacon Underwater, Acoustic, W/c Code Lithium Battery | DK140 flight instructor headset This high-quality kit helps preventThe DK140 is a Non TSO version of the underwater acoustic locating beacons. For TSO ULB products, please see the DK120 90 information page. Beacon Specifications Operating Frequency: 37. 5 kHz 1 kHz Operating Depth: Surface to 20,000 feet (6096 meters) Pulse Length: 9 milliseconds minimum Pulse Repetition Rate: 0. 9 pulse second minimum Useful Life: 6 years Operating Life: 30 days (minimum) Acoustic Output, Initial: 1060 dynes cm2rms pressure at 1