Tech Specs

In The Box
Manual & Warranty
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Tech Specs

In The Box
Manual & Warranty
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Overview
Garmin GT20-TM (4pin) (010-01960-00) – Enhance Your Fishing Experience
The Garmin GT20-TM (4pin) is the ultimate transducer that elevates your fishing adventures with state-of-the-art technology and exceptional performance. Designed for both amateur and professional anglers, this versatile transducer ensures reliable signal transmission and outstanding imaging capabilities. With its advanced features, you can enhance your fishing strategy, making every outing more productive and enjoyable.
Key Features
- 20 ft Transducer Cable: Offers ample length for easy installation while maintaining flexibility.
- Fast Response Temperature Sensor: Provides real-time water temperature readings to refine your fishing tactics.
- Power Rating: Robust 500 W ensures reliable performance and signal clarity.
- Depth Capabilities: Dive up to 1,900 ft with traditional sonar and 750 ft with DownVü for comprehensive underwater visibility.
- Operating Frequencies: Functions at 77/200 kHz for traditional readings and 455 kHz for DownVü imaging.
- Transom Angle: Adjustable from 0 to 70 degrees, accommodating various boat types and fishing conditions.
Data Insights
The Garmin GT20-TM boasts impressive metrics, with a power output of 500 W which significantly enhances your sonar readings. This transducer allows for depth capabilities of up to 1,900 ft, making it a fantastic tool for deep-sea fishing. Comparatively, traditional sonar units often struggle to offer such extensive depth coverage, giving you a competitive edge on your fishing trips.
Usage Instructions
For optimal performance, mount the Garmin GT20-TM transducer securely to your boat's transom or trolling motor using the provided hardware. Ensure that the transducer is submerged while your boat is in motion for the best sonar readings. Follow the installation instructions closely to avoid any potential damage and ensure seamless operation during your fishing excursions.
Design & Material
The Garmin GT20-TM is engineered with precision, featuring a sleek and robust design that withstands the rigors of marine environments. Its durable craftsmanship ensures long-lasting performance, capable of withstanding harsh weather conditions.
- High-Quality Materials: Built with robust, marine-grade materials for enhanced durability.
- Streamlined Design: A sleek profile minimizes water resistance for better performance.
- Weather-Resistant: Designed to withstand harsh marine conditions.
- Easy Installation: Comes with transom and trolling motor mounts for flexible installation options.
- Engineered for Precision: Provides accurate and reliable sonar readings.
- Compact Size: Designed to fit seamlessly with various boat types.
Final Verdict
Upgrade your fishing setup with the Garmin GT20-TM (4pin) and experience unmatched visibility and depth perception. With its advanced features and durable construction, this transducer is a must-have for any serious angler looking to maximize their fishing potential. Don't miss out on the opportunity to enhance your fishing experiences—get your Garmin GT20-TM today!