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Acoustic Transmitters

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Lotek manufactures a variety of acoustic transmitters (also referred to as "acoustic tags") that utilize the latest in microprocessor-based coded technology. Our coded acoustic tags significantly reduce the need for additional frequencies, with a corresponding reduction in total scan time over conventional pulsed systems.

MAP Series

Available in a variety of sizes and longevity configurations, MAP Series acoustic transmitters are digitally encoded for use with MAP radio receivers.
Miniature MAP Series

Miniature MAP Series

The Miniature MAP acoustic transmitters are the smallest addition to the Lotek MAP Series products. These coded tags are compatible with Lotek MAP acoustic receivers and are suitable for use on smolt and similar small fish.


The Lotek JSATS AMT – Juvenile Salmon Acoustic Telemetry System Acoustic Micro Transmitter – permits tracking of sub-yearlings and allows for tens of thousands of unique IDs on a single acoustic frequency.