This underwater acoustic transponder is small and easy to deploy for up to 18 months in depths of 1000m. When interrogated by the STI-350, DTI-300, or VADR series acoustic receivers, the ATT-400EL provides range and bearing up to 750 meters away. The ATT-400EL can also be programmed to operate as a free-running pinger.
This transponder offers the same features as the ATT-400 but can be deployed for up to 18 months.
(6) 9 Volt Batteries, Alkaline
18 months in transponder mode
Specifications are subject to change without notice.
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