TM185C-M-BB - Airmar TM185C Medium CHIRP Transducer | Aztek Computers
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SKU: AEUGQLGQG1 |  Mfg. Part: TM185C-M-BB  | 
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TM185C-M-BB - Airmar TM185C Medium CHIRP Transducer

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$1,181.84  $1,595.48
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Product Overview

Airmar TM185C Medium CHIRP Transducer

This transducer is designed for offshore fishing and freshwater anglers who typically operate in shallow to mid-range depths. The medium frequency provides an excellent combination of coverage under the boat, extended depth range, and accurate target returns in mid to deeper water.

Operating at a frequency range of 85 to 135 kHz, the TM185C can detect fish at depths down to 457 m (1,500') while delivering ultra-clear target resolution. The transom-mounted design includes a durable urethane housing and a stainless steel bracket, making it suitable for installation on outboard and I/O powered boats.

Expert Overview

The Airmar TM185C Medium CHIRP Transducer is designed for marine applications, specifically targeting offshore and freshwater anglers operating in shallow to mid-range depths. This transom-mounted transducer provides depth and fast-response water-temperature sensing. It operates within a medium frequency range of 85 to 135 kHz, offering 1 kW of power and a maximum depth capability of 457 meters (1,500 feet). The 50 kHz total bandwidth supports versatile fishing scenarios, delivering a balance of coverage under the boat, extended depth range, and accurate target returns. Its durable urethane housing and stainless steel bracket ensure suitability for installation on outboard and I/O powered boats. The TM185C-M-BB model is intended for IT hardware resellers supporting clients who require reliable sonar technology for marine navigation and fish finding.

Technical Specifications

  • Depth and fast-response water-temperature sensor
  • 1 kW power with a maximum depth of 457 m (1,500')
  • Medium frequency range: 85 to 135 kHz
  • 50 kHz total bandwidth for versatile fishing
  • Excellent shallow to mid-depth performance and fish-target separation
  • Durable urethane housing with stainless steel bracket
  • Also available in thru-hull and in-hull models
  • Exclusive Xducer ID® technology

Product Details

  • Manufacturer:
  • Model Number:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
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  • Airmar
  • TM185C-M-BB
  • New
  • 5 lbs
  • 5 X 5 X 5
  • Jul 18, 2026
  • Nov 24, 2025
Product Identifiers: Brand: Airmar • Part #: TM185C-M-BB • Category: Marine/Air Band Radio Antennas

Frequently Asked Questions

What is the primary use case for the Airmar TM185C transducer?

This transducer is designed for offshore fishing and freshwater anglers who typically operate in shallow to mid-range depths, providing depth and water-temperature sensing for fish detection and navigation.

What is the maximum depth capability of this transducer?

The Airmar TM185C transducer has a 1 kW power output, allowing it to detect fish at depths down to 457 meters (1,500 feet).

What type of boats is this transducer compatible with?

The transom-mounted design with a durable urethane housing and stainless steel bracket makes it suitable for installation on outboard and I/O powered boats.

What is the operating frequency range of the TM185C?

The transducer operates within a medium frequency range of 85 to 135 kHz, offering a 50 kHz total bandwidth for versatile performance.

TM185C-M-BB - Airmar TM185C Medium CHIRP Transducer

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$1,181.84