Garmin
Garmin GT56UHD-TM
£419.99
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010-13073-00
The Garmin GT56UHD-TM is an all-in-one transom-mount transducer that delivers Ultra High-Definition ClearVu and SideVu scanning sonar alongside clear high-wide CHIRP traditional sonar. Three scanning frequencies (455 kHz, 800 kHz and 1 MHz) balance fine detail with extended range, and a built-in temperature sensor is included.
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Available for collection or delivery in ~2 days
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Description
The Garmin GT56UHD-TM is a versatile transom-mount transducer that brings three sonar technologies together in a single compact housing. High-wide CHIRP traditional sonar produces large, clear fish arches, while Garmin ClearVu and SideVu scanning sonar render near-photographic images of structure and the bottom around your boat.
Three scanning frequencies give you the flexibility to prioritise resolution or range. Ultra High-Definition 1 MHz delivers the sharpest detail in shallow water, 800 kHz offers a balance of clarity and depth, and 455 kHz CHIRP extends SideVu coverage out to 152 m (500 ft.) per side. The transducer fits transom or trolling-motor mounts and includes a fast-response temperature sensor, making it a strong all-round choice for inshore and freshwater anglers running a compatible Garmin chartplotter.
PRODUCT DETAILS
- All-in-one transom-mount transducer with Ultra High-Definition ClearVu, SideVu and high-wide CHIRP traditional sonar
- Three scanning frequencies (455 kHz, 800 kHz and 1 MHz) balance image resolution against range
- High-wide CHIRP traditional sonar (140 to 240 kHz) for large, clear fish arches to 244 m (800 ft.)
- SideVu coverage up to 152 m (500 ft.) each side at 455 kHz
- Transmit power of 350 W traditional and 500 W ClearVu/SideVu (RMS)
- Built-in fast-response water temperature sensor
- 12-pin connector with a 7.6 m (25 ft.) cable
- Mounts on a transom or trolling motor
- GT56UHD-TM transom-mount transducer with 7.6 m (25 ft.) cable
- Transom mounting bracket and hardware
- Cable-entry cover and fixings
- Trolling-motor mounting hardware
- Installation instructions
No exploded diagram available for this product.
No compatible transducers listed for this product.
No spares or accessories listed for this product.
General
| Transducer type | All-in-one transom-mount CHIRP transducer combining Garmin Ultra High-Definition ClearVu, Ultra High-Definition SideVu and high-wide CHIRP traditional sonar |
Sonar
| Sonar technologies | Traditional CHIRP (High-Wide), Garmin ClearVu and Garmin SideVu, including Ultra High-Definition (UHD) scanning |
| Traditional frequency | CHIRP High-Wide 140 to 240 kHz |
| ClearVu / SideVu frequencies | CHIRP 455 kHz (420 to 490 kHz); UHD CHIRP 800 kHz (770 to 840 kHz); UHD CHIRP 1 MHz (1000 to 1120 kHz) |
| Transmit power (RMS) | Traditional: 350 W; Garmin ClearVu: 500 W; Garmin SideVu: 500 W |
| Maximum depth (traditional) | 244 m (800 ft.) |
| Maximum range (ClearVu) | 122 m (400 ft.) at 455 kHz; 61 m (200 ft.) at 1 MHz |
| Maximum range (SideVu) | At 455 kHz: 152 m (500 ft.) each side, 305 m (1,000 ft.) total; at 1 MHz: 61 m (200 ft.) each side, 122 m (400 ft.) total |
Beam
| Beam width (traditional) | 24/16 degrees (low/high frequency, -3 dB) |
| Beam width (ClearVu / SideVu) | 0.52 x 52 degrees at 1000 kHz; 0.64 x 35 degrees at 800 kHz; 1.1 x 52 degrees at 455 kHz |
Mounting
| Mount type | Transom mount; can also be mounted on a trolling motor |
| Supported transom angles | 0 to 70 degrees |
| Built-in temperature sensor | Yes, with depth, speed and temperature support (D, T) |
Physical
| Dimensions (L x W x H) | 218.5 x 51.8 x 27.7 mm (8.61 x 2.04 x 1.09 in.) |
| Operating temperature range | 0 to 50°C (32 to 122°F) |
| Storage temperature range | -40 to 70°C (-40 to 158°F) |
| Water rating | IPX7 (withstands incidental exposure to water of up to 1 m for up to 30 minutes) |
Connectivity
| Connector | 12-pin Garmin transducer connector |
| Cable length | 7.6 m (25 ft.) |
Compatibility
| Compatible chartplotters and sounders | STRIKER Vivid/Plus (CV and SV series), ECHOMAP UHD2 (CV and SV series), ECHOMAP Ultra 2, GPSMAP 8600xsv, GPSMAP 9000 (9000xsv), GCV 20 black box and GSD 25 sounder module, and the GPSMAP 7x3/9x3/12x3/16x3xsv series. Some pairings require a Garmin adapter cable (sold separately) |
| Factory bundles | Supplied as the included transducer with ECHOMAP UHD2 72sv/92sv and ECHOMAP Ultra/Ultra 2 102sv/122sv bundles |
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What sonar types does the GT56UHD-TM support?
It provides three sonar technologies in one transducer: high-wide CHIRP traditional sonar (140 to 240 kHz), Garmin ClearVu and Garmin SideVu scanning sonar, including Ultra High-Definition scanning at 800 kHz and 1 MHz.
How deep can the GT56UHD-TM read?
Traditional CHIRP sonar reaches a maximum depth of 244 m (800 ft.). Garmin ClearVu reaches 122 m (400 ft.) at 455 kHz, and SideVu covers up to 152 m (500 ft.) each side at 455 kHz. Actual performance depends on water conditions, salinity and bottom type.
How is the GT56UHD-TM mounted?
It is designed for transom mounting and can also be fitted to a trolling motor. Mounting brackets and hardware for both methods are included.
What connector and cable length does it use?
The GT56UHD-TM uses a 12-pin Garmin transducer connector with a 7.6 m (25 ft.) cable. Some chartplotters require a Garmin adapter cable, sold separately.
Does the GT56UHD-TM include a temperature sensor?
Yes. A fast-response water temperature sensor is built in, and the transducer supports depth, speed and temperature data on a compatible Garmin chartplotter.
Which Garmin chartplotters work with the GT56UHD-TM?
It is compatible with STRIKER Vivid/Plus, ECHOMAP UHD2 and ECHOMAP Ultra 2 chartplotters, the GPSMAP 8600xsv and 9000 series, the GPSMAP 7x3/9x3/12x3/16x3xsv series, and the GCV 20 and GSD 25 sonar modules. Some pairings need a Garmin adapter cable.
