Garmin GT21 Transom Transducer - 8 Pin

This transom mount transducer provides ultra-clear sonar pictures of objects, structure and fish that pass below your boat. This traditional and Chirp DownVü transducer is optimized for depth performance and rough conditions.

The Chirp DownVu element has a power rating of 500 W and operating frequencies of 260/455 kHz. The traditional sonar has a power rating of 600 W and operating frequencies of 50/200 kHz. It also includes a built-in fast response temperature sensor.

GT21-TM includes an 8-pin transducer with mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.

Features

• Dual Beam
  
• Transom Mounted
  
• 8 Pin Connection
  
• DownVu/Chirp Compatible
  
• 600w
  
• Max Depth 1500 ft
  
• Water Temperature 
  
• Sensor included
  
• 30ft cable

Specifications

• Weight: 1.69 lbs. (0.77 kg)
  
• Cable length: 30 ft
  
• Number of pins on connector: 8
  
• Dimensions:
  
• Transducer: 9.0 x 2.5 x 1.2 in (228 x 62 x 30 mm)
  
• Traditional: 50/200 kHz
  
• DownVü: CHIRP 245-275 kHz and CHIRP 445-465 kHz
  
• Transmit power:
  
• Traditional: 600 W
  
• DownVü: 500 W
  
• Max Depth:
  
• Traditional: 1,500 ft
  
• DownVü: 1,000 ft
  
• Beam Width (°) LF/HF (-3dB):
  
• Traditional: 40/10
  
• DownVü: 2.0x51@260, 1.4x29@455
  
• Read water temperature: Yes

Compatibility:

43dv, 44dv, 50dv, 53dv, 54dv, 70dv, 73dv, 73sv, 74dv, 74sv, 93sv, 94sv, 42DV, 43dv, 44dv, 45dv, 52dv, 53dv, 54dv, 55dv, 72dv, 72sv, 73dv, 73sv, 74dv, 74sv, 75dv, 75sv, 92sv, 93sv, 94sv, 95sv
Gpsmap: 1020xs, 1040xs, 527xs, 547xs, 7407xsv, 7408xsv, 7410xsv, 7412xsv, 7416xsv, 741xs, 7607xsv, 7608xsv, 7610xsv, 7612xsv, 7616xsv, 840xs
GSD 25 Premium Sonar Module
Striker: 4dv, 5dv, 7dv, 7sv