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Garmin ECHOMAP Ultra 122sv with GT56UHD-TM Transom Mount Transducer - 0100252801

Garmin ECHOMAP Ultra 122sv with GT56UHD-TM Transom Mount Transducer - 0100252801

Garmin ECHOMAP Ultra 122sv with GT56UHD-TM Transom Mount Transducer - 0100252801

Echomap Ultra 122sv 12" Combination Chartplotter Fishfinder with GT56UHD Transom Mount Transducer

The ECHOMAP Ultra 122sv combo, with its bright, sunlight-readable 12" keyed-assist touchscreen display, has all the tools you need for successful fishing. It includes an all-in-one transducer for CHIRP traditional and Ultra High-Definition ClearVü and SideVü scanning sonars. It also supports optional premium BlueChart® g3 charts and BlueChart® g3 Vision cartography with integrated data from Navionics®.


  • Supplied with GT56UHD-TM Transom Mount Transducer
  • The keyed-assist 12” touchscreen puts fishfinding know-how at your fingertips.
  • See crisp images of structure and fish in stunning detail with optional transducer.
  • Navigate confidently with optional BlueChart® g3 charts and LakeVü g3 maps.
  • Manage your marine experience from nearly anywhere with the ActiveCaptain® app.
  • Connect your boat to share data, sonar and charts with your other devices.
  • Explore your new favourite spot — create maps on the fly, and tailor them to fit your needs.

 Click here to view the Compatible Transducer Selection Guide

Physical Dimensions: 11.6" x 7.7" x 3.9" (295 x 195 x 98 mm)

Display Size: 8.5” x 5.4”; 10" diagonal (21.7 cm x 13.6 cm; 25.4 cm diagonal)

Display Resolution: 1280 x 800 pixels

Display Type: WXGA display

Weight: 4.0 lbs (1.8 kg)

Water Rating: IPX7

Polarized Support: Yes

Power Consumption: 26 W

Antenna: Internal only

Mounting Options: Bail or flush

Receiver: 10 Hz

Garmin Marine Network™ Ports: 2 (large connector)

Transmit Power: 600 W (RMS) / 4,000 W (peak to peak)

Accepts Data Cards: 2 microSD™ cards

Waypoints: 5,000

Track Log: 50,000 points; 50 saved tracks

Routes: 100

Supports AIS (tracks target ships position)    

Supports DSC (displays position data from DSC-capable VHF radio)    

Supports FUSION-Link™ compatible radios 

Dual-frequency (50/200 kHz) sonar capable  

Dual-beam (77/200 kHz) sonar capable 

Frequencies supported      CHIRP High-Wide: 150-240 kHz

Ultra High-definition ClearVü: 800 kHz (760-880 kHz)

CHIRP ClearVü: 455 kHz (425-845 kHz)

Ultra High-definition SideVü: 1,200 kHz (1060-1170 kHz)

Transmit power: 500 W (RMS) / 4,000 W (peak to peak)

CHIRP sonar technology    Yes (Built-in)



Maximum depth: 2,300 ft @ 77 kHz, freshwater: 1,100 ft @ 77 kHz, saltwater

(depth capacity is dependent on water bottom type and other water conditions)

Bottom lock (shows return from the bottom up)    

Water temperature log and graph    

Sonar recording  

Sonar history rewind  

NMEA 2000® compatible  

Transducer pin numbers    1 – LVS sonar, 1 – 12 pin scanning sonar

NMEA 0183 input ports      1

NMEA 0183 output ports    1

Wireless connectivity 

ECHOMAP Ultra 122sv with worldwide basemap

GT56UHD-TM transducer

Power/data cable

Tilt mount with quick release cradle

Flush mount

Protective cover



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  • Brand: Garmin
  • Product Code: Garmin ECHOMAP Ultra 122sv with GT56UHD-TM TX
  • Availability: In Stock
  • RRP Inc VAT: £2,899.99

  • Our Price: £2,495.00
  • Ex VAT: £2,079.17