The Garmin TM265LH is a high-performance transom-mounted sonar transducer (1 kW) designed for serious anglers and mariners using Garmin GPSMAP systems. It delivers precise bottom detail and real-time water temperature readings to unlock depth and environmental insights on demanding voyages.
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Power: 1 kW transducer for crisp, deep-water sonar returns.
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Depth rating: Maximum depth of 3,000 feet.
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Operating frequencies: 42–65 kHz and 130–210 kHz for flexible scanning.
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Beamwidth: 16–25° at low frequency; 6–10° at high frequency.
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Transom compatibility: Mounts on transoms ranging from 3° to 21°.
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Transom mount material: Plastic transom mount for durability and corrosion resistance.
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Depth & Temperature: Measures water depth and temperature in real time.
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Connector: 12-pin configuration for Garmin systems.
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Compatibility: GPSMAP 7607xsv, 7608xsv, 7610xsv, 7612xsv, 7616xsv and GSD 25.
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Package contents: Premium Sonar Module Package — Transducer kit with installation instructions.
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Safety compliance: Prop 65 warning applies.
With a true 1 kW sonar beam, the TM265LH delivers crisp bottom echoes and water-column detail in deep water, helping you identify structure, thermoclines, and fish-holding zones. The depth and temperature readings provide real-time context for navigation and trip planning, while the plastic transom mount offers durable mounting on a wide range of vessels. When used with compatible GPSMAP systems, it enhances your sonar visualization and decision-making, and installation is straightforward with the included instructions.