Single and Mid-Frequency Pingers - Datsheet

Acoustic pingers are devices that generate sonar signals underwater. They are used to mark an underwater site or piece of equipment so a returning diver, using a pinger receiver, can locate the exact spot. Pingers are available with different transmit frequencies so several can be deployed in the same general area without interference from each other. The diver adjusts his pinger receiver to the frequency of the desired pinger and the receiver leads him directly to it.