Garmin GT23M-TH (010-12404-10)
Garmin GT23M-TH (010-12404-10)
Model Number: 010-12404-10
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Tech Specs
In The Box
Stainless steel stem
Fairing block
Isolation plate and bushings
Extension cable
Mounting hardware
Documentation
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
Stainless steel stem
Fairing block
Isolation plate and bushings
Extension cable
Mounting hardware
Documentation
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 GT23M-TH Through-Hull CHIRP Transducer (010-12404-10)
Introduction
The Garmin GT23M-TH Through-Hull Transducer is designed for serious coastal and offshore anglers who require reliable sonar performance and detailed underwater imaging. Combining mid-band CHIRP traditional sonar with CHIRP ClearVü scanning sonar, it delivers accurate fish detection along with detailed views of structures beneath the vessel.
The traditional CHIRP sonar produces clear fish arches and excellent target separation, allowing anglers to distinguish individual fish from surrounding structures with confidence. Meanwhile, the CHIRP ClearVü element generates near-photographic images of the bottom, helping locate reefs, drop-offs, submerged timber, and other underwater features.
Built with a corrosion-resistant stainless steel stem, the GT23M-TH is engineered for long-lasting performance in demanding saltwater environments while integrating seamlessly with compatible Garmin sonar systems.
Key Features
CHIRP Traditional Sonar
- Mid-band CHIRP traditional sonar.
- Operating frequency of 80–160 kHz.
- 600 W power output.
- Clear fish arches.
- Superior target separation.
CHIRP ClearVü Scanning Sonar
- High-definition ClearVü imaging.
- Operating frequencies of 260/455 kHz.
- 500 W scanning power.
- Detailed bottom structure views.
- Exceptional underwater clarity.
Superior Fish Detection
- Clearly identifies fish targets.
- Enhanced target separation.
- Improved fish tracking.
- Ideal for coastal and offshore fishing.
Detailed Structure Imaging
- Sharp images of underwater structures.
- Locate reefs and ledges.
- Identify submerged obstacles.
- Improved bottom detail.
Through-Hull Installation
- Secure through-hull mounting.
- Stable sonar performance.
- Reliable signal transmission.
- Suitable for a wide range of boats.
Stainless Steel Construction
- Durable stainless steel stem.
- Corrosion-resistant design.
- Built for saltwater environments.
- Long-lasting marine durability.
Garmin Compatibility
- Compatible with supported Garmin sonar systems.
- 8-pin connector.
- Reliable system integration.
- Optimized sonar performance.
Sonar Performance
The Garmin GT23M-TH combines advanced CHIRP traditional sonar with CHIRP ClearVü scanning technology to deliver highly detailed underwater information. The traditional sonar produces crisp fish arches and excellent target separation, while ClearVü scanning reveals detailed images of bottom structures, vegetation, and submerged objects.
This combination allows anglers to quickly locate productive fishing areas and accurately distinguish fish from surrounding underwater terrain, making it an excellent solution for both recreational and serious offshore fishing.
Usage Instructions
Install the Garmin GT23M-TH Through-Hull Transducer according to the supplied installation instructions. Ensure the transducer is properly positioned within the hull to achieve optimal sonar performance and avoid damage to the vessel.
Connect the 8-pin transducer to a compatible Garmin chartplotter or sonar system and configure the sonar settings to match your fishing conditions. Utilize both CHIRP traditional sonar and CHIRP ClearVü views for comprehensive underwater coverage.
Design & Build
The Garmin GT23M-TH features a rugged stainless steel through-hull housing engineered to withstand harsh marine environments and continuous saltwater exposure. Its streamlined design provides dependable sonar performance while maintaining reliable long-term durability.
Designed specifically for through-hull installation, the transducer offers excellent signal transmission and dependable operation for anglers who demand accurate sonar performance in both coastal and offshore waters.
Design Highlights
- Through-hull CHIRP transducer
- Mid-band CHIRP traditional sonar
- CHIRP ClearVü scanning sonar
- 600 W traditional sonar power
- 500 W ClearVü scanning power
- Traditional sonar frequency: 80–160 kHz
- ClearVü frequencies: 260/455 kHz
- Superior target separation
- Crisp fish arch detection
- Detailed bottom structure imaging
- Stainless steel stem
- Corrosion-resistant construction
- Through-hull mounting design
- 8-pin connector
- Compatible with Garmin sonar systems
- Designed for coastal and offshore fishing
- Durable marine-ready construction
Final Verdict
The Garmin GT23M-TH Through-Hull Transducer is an excellent choice for anglers seeking dependable CHIRP sonar performance with detailed underwater imaging. By combining mid-band CHIRP traditional sonar and CHIRP ClearVü scanning technology, it delivers exceptional fish detection, precise target separation, and clear views of underwater structures.
Whether fishing coastal waters or heading offshore, the GT23M-TH provides the accuracy, reliability, and imaging performance needed to locate fish and better understand the underwater environment.
