Description
Garmin GT20-TM Transducer | Boat Supply Store
Maximize underwater visibility with the Garmin GT20-TM, a versatile transom-mounted transducer delivering high-definition DownVü scanning sonar and traditional CHIRP sonar. It achieves a 750 ft depth range for DownVü and a 1900 ft depth range for traditional sonar, providing detailed imagery of structure and fish. This 4-pin unit also features a fast-response temperature sensor, crucial for tracking water conditions when targeting specific species. Ideal for anglers on Lake Travis seeking precise structure identification and baitfish location.
Key Features
- Unrivaled Clarity for ultra-clear sonar pictures of objects, structure, and fish below the boat
- Dual Sonar Capability with 500W DownVü (CHIRP 455/800 kHz) and 500W traditional (77/200 Hz) sonar frequencies
- Accurate Temperature Data via a built-in fast-response temperature sensor
- Extended Reach with a 20 ft transducer cable for flexible installation
- Versatile Mounting Options including both transom and trolling motor brackets
- High-Definition Imaging revealing submerged structure and fish with precision
- Efficient Operation providing detailed underwater views for effective navigation and fishing
- Integrated Solution combining essential sonar types in a single, robust unit
Specifications
| Product Specifications | |
|---|---|
| Power Output | 500W traditional (77/200 kHz) and 500W DownVü (CHIRP 455/800 kHz) |
| Cable Length | 20 ft |
| Temperature Sensor | Built-in |
| Traditional Depth Range | 1900 ft |
| DownVü Depth Range | 750 ft |
| Transom Angle | 0-70 degrees |
| Connector Type | 4-Pin |
Who This Is For
Anglers and boaters demanding detailed underwater imaging for precise structure identification and effective fish finding. This transducer is an excellent choice for those utilizing compatible Garmin fishfinder units and preferring transom or trolling motor mounting solutions.
How It Compares
| Feature | Garmin GT20-TM Transducer | Competitor |
|---|---|---|
| DownVü Sonar | 500W (CHIRP 455/800 kHz) | 500W |
| Traditional Sonar | 500W (77/200 Hz) | 500W |
| Temperature Sensor | Yes (Built-in) | Yes |
| Connector Type | 4-Pin | 8-Pin |
| Depth Range (Traditional) | 1900 ft | — |
| Depth Range (DownVü) | 750 ft | — |
Common Concerns Answered
Is the Garmin GT20-TM compatible with all Garmin fishfinders?
No, this transducer utilizes a 4-pin connector and requires specific Garmin units. Please verify compatibility with your existing fishfinder model before purchase.
What are common issues encountered during setup?
Some users have reported challenges with initial setup or achieving optimal performance due to transducer angle adjustments. Careful attention to mounting instructions and ensuring the correct angle relative to the water surface is crucial for best results.
How does this transducer perform in shallow versus deep water?
The GT20-TM offers a 1900 ft depth range for traditional sonar and 750 ft for DownVü, providing effective underwater imaging across a wide spectrum of depths for various fishing environments.
Frequently Asked Questions
What is the maximum depth range for the Garmin GT20-TM transducer?
The Garmin GT20-TM transducer provides a traditional depth range of up to 1900 feet and a DownVü depth range of up to 750 feet.
What frequencies does the Garmin GT20-TM transducer operate on?
The Garmin GT20-TM operates on traditional sonar frequencies of 77 kHz and 200 kHz, and CHIRP DownVü frequencies of 455 kHz and 800 kHz.
Is the Garmin GT20-TM transducer compatible with all Garmin fishfinders?
No, the Garmin GT20-TM features a 4-pin connector and is designed for compatibility with specific Garmin fishfinder models. Users must confirm their unit's compatibility.
What is the power output of the Garmin GT20-TM transducer?
The Garmin GT20-TM transducer delivers 500W of power for both its traditional sonar and DownVü scanning sonar functions.
Does the Garmin GT20-TM transducer include temperature sensing capabilities?
Yes, the Garmin GT20-TM transducer includes a built-in fast-response temperature sensor to provide real-time water temperature data.