Garmin GT20-TM
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GARMIN GT20-TM: 8-pin Transom Mount with Traditional & ClearVü™ Sonar
The Garmin GT20-TM is an essential all-in-one transducer for shallow-water anglers, featuring both traditional sonar and **CHIRP ClearVü™ scanning sonar** in a single unit. This transom or trolling motor mounted transducer consistently displays clear fish arches and crisp pictures of objects and structure below your boat. With **500 W** of power, it provides reliable performance down to **1,900 feet (traditional)** and **750 feet (ClearVü)**.
DUAL SONAR PERFORMANCE & RANGE
The GT20-TM uses dual-frequency traditional sonar combined with high-frequency scanning to deliver superior detail in coastal and inland fishing environments.
KEY SONAR & COVERAGE FEATURES
- Traditional Sonar: Operates at 77/200 kHz frequencies, providing up to 1,900 feet of traditional depth capability.
- ClearVü™ Scanning Sonar: CHIRP 455/800 kHz scanning provides a nearly photographic view of structure and fish directly below your boat, with depths up to 750 feet.
- Dual Power Rating: Provides a stable 500 W of power for both Traditional and ClearVü elements.
- Installation: Includes mounting hardware for both Transom and Trolling Motor installation.
CONNECTIVITY & RELIABILITY
The GT20-TM is a reliable, entry-level transducer that integrates seamlessly with 8-pin compatible Garmin units.
- **8-Pin Connector:** Uses the dedicated 8-pin connector for a simple, plug-and-play installation.
- **Cable Length:** Includes a 20-foot transducer cable with a built-in fast-response temperature sensor.
- **Supported Angles:** Supports transom angles between 0°–70° degrees for optimal sonar operation.