The DK350L has the same specification as the DK350 except it is 3.5″ long and equipped with a lanyard eye cap for ease in attachment to a line or snap fitting.  A time delated version is also available.

Specifications

Dukane Seacom 350L series Beacons are designed and engineered to provide a durable low cost effective underwater sound source.

This compact 3″ by 1.7 “unit is powered by a replaceable 9 volt Alkaline or Li battery readily available worldwide.

The DK350L is manufactured from corrosion-resistant epoxy material to withstand the rigors of environmental conditions seen by the military and off-shore industry in location and recovery work.

Beacon Specifications

Operating Frequency:	37.5 kHz ± 1 kHz
Operating Depth:	Surface to 4000 Feet (1219 meters)
Pulse Length:	9ms minimum
Pulse Repetition Rate:	0.9 Pulse/Sec minimum
Operating Life:	20 days (Alkaline battery) / 40 Days (Li battery)
Acoustic Output, Initial:	>163 dB re 1 micro Pascal at 1 meter
Operating Temperature Range:	+28°F (-2.2°C) to +100°F(+37.8°C)
Actuation:	Fresh or salt water
Size:	1.70" diameter x 3.07" long (4.32 cm diameter 7.80 cm long)
Weight, Beacon:	Less than 1 lb (454 grams, including battery)
Material:	Cap: PVC; Body: Epoxy
Storage Temperature Range:	-65°F (-54°C) to 160°F (71°C)
Power Source:	Replaceable 9V Alkaline or Lithium Battery

We reserve the right to change the design and specification of goods supplied without notice to incorporate improvements in design and manufacturing techniques