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Garmin  |  SKU: 753759152758
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Garmin GT20-TM 4 Pin Transom Mount Transducer

Regular price $175.00

Delivery and Shipping

Jump the Queue Service

For any order type, you can jump the queue for $3 — your order is prioritised for faster picking, packing, and dispatch.

Click & Collect - FREE! ✅

Order online and pick up in-store for free — fast, easy, and ready when you are.

Standard Items

Standard – Orders $0–$119

$12.99

Express – Orders $0–$119

$19.99

Standard – Orders $119+

FREE ✅

Express – Orders $119+

$14.99


Bulky Items

Bulky items are shipped in three tiers — see rates below:

Bulky Tier 1

Standard

$19.99

Express

$29.99


Bulky Tier 2

Standard

$29.99

Express

$39.99


Bulky Tier 3

Standard

$49.99

Express

$59.99


Click & Collect Only Items

Due to size, weight, or supplier restrictions, some items such as rods, spearguns and Yeti products are available for Click & Collect only.

Rest assured, we pack every order like it's our own so it arrives safe and ready to fish.

Description

The Garmin GT20-TM 4-Pin Transom Mount Transducer delivers traditional CHIRP and ClearVü scanning sonar for shallow water applications. This compact transducer features 500W traditional sonar operating at 77/200kHz alongside 500W CHIRP ClearVü at 455/800kHz frequencies. The transducer provides clear fish arches and detailed images of underwater structure whilst the integrated temperature sensor monitors water conditions.

The transom mount design positions the transducer for optimal sonar returns at all speeds. The 4-pin connector provides compatibility with Garmin echo dv/cv fishfinder series.

GT20-TM 4-Pin – Traditional and ClearVü for Shallow Water

  • Dual-Frequency Traditional Sonar – 500W at 77/200kHz for clear fish arches
  • CHIRP ClearVü Scanning – 500W at 455/800kHz for detailed structure imaging
  • Integrated Temperature Sensor – Monitors water temperature
  • 4-Pin Connector – Compatible with Garmin echo dv/cv series
  • LOCAL KNOWLEDGE YOU
    CAN’T BUY ANYWHERE ELSE

    Decades of on-water experience - real tips, real spots, real results. Get advice from people who fish the same rivers, reefs & lakes you do.

  • STAFF WHO
    ACTUALLY FISH (A LOT)

    Every team member is an angler. No matter your experience level, you get honest, practical, tailored advice from people who live and breathe fishing.

  • WIDE PRODUCT RANGE FOR
    EVERY ANGLER

    Thousands of products, all chosen by anglers who fish. No gimmicks - just the right gear for the right fish.

  • COMMUNITY-FOCUSED &
    PROUDLY BUNDY

    We support local events, clubs, comps and schools - because we’re part of the community, not just another store.

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