Garmin GT21-TM Transom Mount Transducer

Perfect for coastal and offshore fishermen who want traditional sonar and CHIRP ClearVü scanning sonar. this transom mount transducer consistently displays clear and crisp fish arches with superior target separation as well as clear definition of structure below the boat.

The CHIRP ClearVü element has a power rating of 500 W and operating frequencies of 260/455 kHz. The traditional sonar has a power rating of 600 W and operating frequencies of 50/200 kHz. It also includes a built-in fast response temperature sensor.

GT21-TM includes an 8-pin transducer with mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.

Specifications

Downloads

Transducer Placement Guide

Transom-Mount Transducer Installation Instructions

FAQs

1. Does the Garmin GT21-TM transducer feature traditional sonar and CHIRP ClearVü scanning sonar?

Yes. The Garmin GT21-TM transducer combines traditional sonar and CHIRP ClearVü scanning sonar and produces fish arches, underwater structure, and target images with high resolution.

2. What are the operating frequencies of the GT21-TM transducer?

Yes. The Garmin GT21-TM transducer operates at 50/200 kHz for traditional sonar, and 260 and 455 kHz for CHIRP ClearVü scanning sonar.

3. How deep can the Garmin GT21-TM transducer work?

Yes. The Garmin GT21-TM transducer works at up to 1,500 feet using traditional sonar and up to 1,000 feet using ClearVü scanning sonar.

4. Is there any temperature sensor included with the GT21-TM transducer?

Yes. The transducer has a rapid-response temperature sensor that shows depth and temperature.

5. Is there any mounting hardware provided with the GT21-TM transducer?

Yes. The Garmin GT21-TM transducer includes an 8-pin transducer with a 30-foot cable, mounting hardware and installation kit, and supports angles from 0° to 70°.