The Garmin GT22HW-TM Transom Mount Transducer is a compact, all-in-one dual-CHIRP sonar solution designed for freshwater anglers who want both traditional sonar and DownVü scanning in a single, easy-to-mount package. Its flexible transom or trolling motor mounting makes it a versatile choice for boats with limited space.
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Dual-CHIRP sonar system: Combines traditional CHIRP 150-240 kHz with 250 W transmit power and DownVü scanning at 455/800 kHz with 500 W transmit power for depth reading and detailed underwater views.
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Frequencies: Traditional CHIRP 150-240 kHz; DownVü CHIRP 425-485 kHz and CHIRP 790-850 kHz.
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Beam widths: Traditional LF 24°, HF 16°; DownVü 2.0x50° at 455 kHz and 1.0x30° at 800 kHz.
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Depth range: Traditional up to 800 ft; DownVü up to 500 ft.
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Transmit power: Traditional 250 W; DownVü 500 W.
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Mounting versatility: Suitable for transom or trolling motor mounting, ideal for boats with limited space.
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Connector & cable: 8-pin connector with a 20 ft cable for flexible installation.
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In the box: GT22HW-TM transducer, transom mount, trolling motor mount, mounting hardware, documentation.
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Model: 010-12403-00
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Freshwater design: Engineered for freshwater boats; follow included instructions to prevent damage.
The transducer delivers crisp arches and reliable depth readings with a compact profile, while DownVü scanning reveals detailed underwater structure and cover. The 20-foot cable and dual-mount design simplify installation on either a transom or trolling motor, making it a practical upgrade for freshwater anglers seeking integrated sonar performance.
| Frequency |
Traditional: CHIRP 150-240 kHz
DownVü: CHIRP 425-485 kHz and CHIRP 790-850 kHz |
| Beam Width (°) LF/HF (-3dB): |
Traditional: 24/16
DownVü: 2.0x50@455 and 1.0x30@800 |
| maximum depth |
Traditional: 800 ft
DownVü: 500 ft |
| Transmit power |
Traditional: 250 W
DownVü: 500 W |
| Connector |
8 pin |
| Cable Length |
20 feet |
