Lotek is a world leader in the design and manufacture of fish and wildlife monitoring systems. Our innovative and internationally recognized radio, acoustic, archival and satellite monitoring solutions allow researchers to track creatures of almost any size, in almost any environment.

Specialists in electronic systems for underwater acoustic telemetry, aquatic anaimal tracking, positioning, and data logging.

TVP Positioning AB develops and manufactures radio tracking equipment (telemetry) for wildlife biologists all over the world. Televilt's GPS units, VHF tags and receivers are well known all over the world as reliable tools in any fieldwork. Enter to read more about GPS collars, VHF collars and receivers.

HTI offers scientific acoustic telemetry and hydroacoustic echo sounders (SONAR) for fisheries research, as well as a consulting team of fisheries biologists and technicians for conducting aquatic studies worldwide.

Sonotronics - Ultrasonic Tracking Systems: Tags, Receivers, Hydrophones, and more ...