GarminSonde gt56uhd-tm

Q: Is the sidescan of the transduce of this unit half and half? means front half for port side(so not blocked by engine), rear half for starboard side?

No, port and starboard out as far as you set. Depending on depth of water, distance can be 20 to several hundred feet port or starboard

Q: Transducer cable length

I didn't measure it but it should be 25 feet long. On my 18' boat the cable reaches from the bow all the way back to the stern transom mount location with some extra length. The installation manual states "If your transducer cable is not long enough to reach the chartplotter, you can add an extension cable (Garmin part number 010-11617-42 or 010-11617-32, not included). To avoid signal degradation, do not extend the cable more than 9 m (30ft.).

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Product ID: 378078079

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Details

Brand
Garmin
Model name
Gt56uhd-tm
Power source
Corded
Display type
LCD or LED
Item weight
2.9 Pounds

🌊800’ depth target clarity

📡1000 kHz Ultra HD sonar frequency

🔋500 watts power output

Frequently Bought Together

Garmin GT56UHD-TM All-in-One Transom Mount Transducer with ClearVu, SideVu Scanning Sonars and High Wide Chirp Traditional Sonar

Garmin Heavy Duty Transom Mount with Spray Sheild

Garmin 010-02366-61 GPSMAP 943xsv SideVü, ClearVü and Traditional Chirp Sonar with Mapping - 9", Navionics+

Description

🌊 Dive Deeper, See Clearer — Own the Water with Garmin Sonde GT56UHD-TM!

POWERFUL 500 W OUTPUT - Robust power ensures crisp, clear sonar imaging even in challenging underwater conditions.
ULTRA HD SONAR CLARITY - Experience 20% greater range with 1000 kHz SideVü scanning for unmatched underwater detail.
WIDE COVERAGE SCANNING - See up to 500’ on each side with 455 kHz SideVü, expanding your underwater awareness.
EFFORTLESS INSTALLATION - Designed for quick setup with transom and trolling motor mounts—get on the water faster.
TRIPLE FREQUENCY VERSATILITY - Seamlessly switch between 455 kHz, 800 kHz, and 1000 kHz for optimal performance at any depth.

The Garmin Sonde GT56UHD-TM sonar delivers ultra high-definition underwater imaging with triple frequency scanning (455, 800, 1000 kHz) and 500 watts of power, providing exceptional target separation and clarity up to 800 feet deep. Its vivid color palettes and wide side coverage up to 500 feet per side make it a must-have for serious anglers and marine professionals seeking precision and reliability.

Specifications

Department	Unisex
Manufacturer	Garmin
Item model number	010-13073-00
Product Dimensions	32.77 x 14.22 x 11.18 cm; 1.32 kg
ASIN	B08LF4JDSJ
Guaranteed software updates until	unknown

Have a Question? See What Others Asked

Is the sidescan of the transduce of this unit half and half? means front half for port side(so not blocked by engine), rear half for starboard side?

Would the same wiring and transducer of a garmin striker 7sv work on this unit? Or would I have to rewire my boat?

Does this unit with preloaded bluecharts g3 have gps?

Transducer cable length

Common Questions

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