


Garmin GT20-TM 8 Pin Connector Transducer
The Garmin GT20-TM 8 Pin Connector Transducer delivers exceptional clarity with CHIRP technology, offering precise underwater imaging. Ideal for anglers, it enhances fish finding and navigation, ensuring a successful day on the water.
Out of stock items can be ordered and shipped out within 3-5 working days
We despatch all orders within 24 hours. Orders placed weekdays before 4pm will be shipped the same day.
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Pickup available at Marine Chandlery: North Shields
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Garmin GT20-TM 8 Pin Connector Transducer
Marine Chandlery: North Shields
Unit G4 Narvik Way
Tyne Tunnel Trading Estate
North Shields NE29 7XJ
United Kingdom

The Garmin GT20-TM 8 Pin Connector Transducer delivers exceptional clarity with CHIRP technology, offering precise underwater imaging. Ideal for anglers, it enhances fish finding and navigation, ensuring a successful day on the water.
The Garmin GT20-TM 8 Pin Connector Transducer delivers exceptional clarity with CHIRP technology, offering precise underwater imaging. Ideal for anglers, it enhances fish finding and navigation, ensuring a successful day on the water.
Description
The Garmin GT20-TM 8 Pin Connector Transducer is a high-performance transducer designed specifically for marine environments, providing essential sonar capabilities for anglers and boaters alike. This transducer features a dual-frequency operation at 77/200 kHz, enabling users to gain clear and accurate underwater images and bottom contours. Its CHIRP (Compressed High-Intensity Radiated Pulse) technology enhances target separation and clarity, making it easier to identify individual fish and structures beneath the water surface. With a transom mount design, the GT20-TM is straightforward to install on most vessels, ensuring both ease of use and convenience for boat enthusiasts. The transducer’s 20-foot cable with an 8-pin connector allows for compatibility with various Garmin chartplotters, streamlining the setup process and enhancing user experience. Built for durability, the GT20-TM is equipped to withstand harsh marine conditions, offering reliable performance over time. Ideal for freshwater and saltwater applications, this transducer is well-suited for fishing, boating, and navigating various aquatic environments. Its accurate depth reading capabilities and temperature sensing feature further assist users in making informed decisions while on the water. Investing in the Garmin GT20-TM 8 Pin Connector Transducer means equipping your vessel with a trusted tool that provides crucial data, helping to increase efficiency and success during any marine excursion. Whether you are a professional angler or a recreational boater, this transducer is an essential addition to your marine electronics.
Specification
| Specification | Details |
|---|---|
| Type | Transom Mount |
| Frequency | 77/200 kHz |
| Beam Width | 45° @ 77 kHz / 15° @ 200 kHz |
| Depth Capability | Up to 1,900 ft (579 m) @ 77 kHz / 800 ft (244 m) @ 200 kHz |
| Connector | 8 Pin |
| Dimensions | 8.5" x 6.2" x 2.5" (216 x 157 x 64 mm) |
| Weight | 1.2 lbs (0.54 kg) |
| Material | Plastic |
| Temperature Range | -20°C to 70°C (-4°F to 158°F) |
Delivery information
Standard delivery: 3-5 working days
Express delivery: 1-2 working days
Free delivery on orders over £100








