2025 Garmin Marine Garmin Traditional Garmin GT21-TM GT21-TM
- Year 2025
- Make Garmin Marine
- Model Garmin Traditional
2025 Garmin Marine Garmin Traditional Garmin GT21-TM GT21-TM
2025 Garmin Marine Garmin Traditional Garmin GT21-TM GT21-TM
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.
Dimensions
Length
Cable: 30 ft.
Beam
CHIRP: 40°/10° | ClearVü: 2.0°x51° @ 260 kHz and 1.4°x29° @ 455 kHz
Dead Rise
Supported Deadrise/transom Angles: 0°-70° degree transom
Depth, Maximum
Traditional: 1,500 ft.; ClearVü: 1,000 ft.
Electric
Electrical
Traditional 600 W; ClearVü 500 W
Features
Features
Frequency: Traditional 50/200; ClearVü CHIRP 260 kHz (245-275 kHz) & 455 kHz (445-465 kHz) | Number Of Pins:8-pin
Operational
Operating Temperature, Maximum
Depth/speed/temperature: Depth and Temperature