GARMIN GT23M-TM TM Transducer
The GARMIN GT23M-TM is a mid-band CHIRP transducer operating at frequencies of 80-160 kHz with a power output of 600 W. This unit is designed for marine applications, providing advanced sonar capabilities for fishing and navigation.
Compatibility & Applications
- Pairs with GARMIN chartplotters for advanced sonar imaging.
- Mounts on transom or through-hull locations on vessels.
- Integrates with NMEA 2000 systems for seamless communication.
- Replaces older GARMIN transducers without requiring additional modifications.
- Fits various boat types including fishing boats, yachts, and center consoles.
- Wires to 12V DC systems for easy installation and power management.
- Supports vessels up to 30 feet in length for optimal sonar performance.
- Compatible with multiple engine types including outboards and inboards.
This transducer enhances sonar clarity and depth perception for fishing expeditions and navigation. Its IP68 rating ensures durability against water intrusion, making it effective for long-term use in harsh marine environments. A drop-in replacement for older GARMIN models, facilitating installation without additional modifications.







