£147.72

This is the usual price. Wait for it to drop, or tell us your number.

£148 today · usual range £139–£156 · best ever £139

Garmin GT21-TM Chirp and DownVu Xdcr Transom Mount Transducer

Amazon

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 91 days · 91 data points

Historical
Generating forecast…
£155.75 £136.86 £140.98 £145.10 £149.23 £153.35 £157.47 11 August 2026 02 September 2026 25 September 2026 17 October 2026 09 November 2026
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Black, 010-01962-00

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Price Distribution

Price distribution over 91 days • 5 price ranges

Days at Price
Current Price
53 days 11 days 18 days · current 5 days 4 days 0 13 27 40 53 £139-142 £142-145 £145-149 £149-152 £152-156 Days at Price

Price Analysis

Most common range: £139-142 (53 days, 58.2%)

Price range: £139 - £156

Price levels: 5 price ranges over 91 days

Description

Upgrade your marine electronics with the Garmin GT21-TM transducer, a versatile solution designed for coastal and offshore fishing. This transom mount device provides dual sonar capabilities, combining traditional sonar with CHIRP ClearVu scanning sonar to give you a complete view of the underwater environment. Whether you are searching for fish or mapping the bottom, this transducer delivers clear and crisp fish arches with superior target separation. The CHIRP ClearVu element provides high-definition images of the structure below your boat, helping you identify prime fishing spots with ease. With a power rating of 500 W for the CHIRP ClearVu element (260/455 kHz) and 600 W for traditional sonar (50/200 kHz), you get reliable performance in various conditions. This unit also includes a built-in fast response temperature sensor to monitor water conditions in real time. The GT21-TM comes ready for installation with an 8-pin connector and necessary mounting hardware included.

Key Features

Dual sonar technology combines traditional sonar with CHIRP ClearVu scanning sonar for comprehensive underwater coverage.

High-definition scanning provides clear definition of structure below the boat and superior target separation.

Powerful CHIRP ClearVu element operates at 260/455 kHz with a 500 W power rating for detailed imaging.

Traditional sonar offers a 600 W power rating at 50/200 kHz frequencies to help locate fish and bottom details.

Integrated fast response temperature sensor allows for immediate monitoring of water temperature changes.

Complete installation kit includes an 8-pin transducer and the required mounting hardware.

Product Specifications

Brand
Garmin
Colour
Black
Size
One Size
Domain
Amazon UK
Release Date
01 January 2024
Listed Since
01 January 2024

Barcode

No barcode data available

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