The Garmin GT23M-TM is a transom-mount transducer built for coastal and offshore anglers who want both CHIRP traditional sonar and CHIRP DownVü scanning in a single unit. Mid-band CHIRP delivers sharp fish arches and strong target separation, while CHIRP DownVü gives you detailed structure definition directly beneath the hull.

Specifications:

• Transducer style: Transom mount (TM), plastic construction
• Sonar type: Mid-band CHIRP traditional sonar + CHIRP DownVü scanning sonar
• CHIRP traditional sonar frequency range: 80–160 kHz
• CHIRP traditional sonar power rating: 600 W
• CHIRP DownVü frequency: 260/455 kHz
• CHIRP DownVü power rating: 500 W
• Connector: 8-pin
• Installation: Transom mount; follow included instructions carefully to avoid hull damage

Resources:

• Owner's Manual (PDF)

⚠️ California Prop 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.