R309 Transducer

Want to increase your catch? Want to detect ground fish holding tight to the bottom in deep-water? Want to mark bait fish as closely-spaced, individual fish? Then Airmar’s R309 is the answer. Frequency Agility Airmar’s Broadband R309 is different than the R209 because it operates at ANY frequency between 25 kHz to 45 kHz and 130 kHz to 210 kHz. Adjusting the frequency allows you to change the R309's beamwidth and depth capabilities. For example if you are bottom fishing in 61 m (200') of water, the narrow high-frequency beam will display extreme bottom detail and fish holding tight to structure. If you are tuna or marlin fishing in deep blue water, the wider, low-frequency beam will not only give deep-water bottom detail, but more importantly show you more of what is around your vessel—including bait which may attract game fish. With the R309, you choose the frequency for your fishing.
 

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