Icom AT-140 Tuner
Best antenna tuner for serious marine radio operators.
This is the essential link for marine radio setups that prioritizes raw signal clarity over everything else. By bypassing secondary functions to dedicate the full antenna to your primary transmission, it sacrifices multitasking for the kind of rock-solid, rapid-fire reliability you actually need when you are out at sea.
$568.35
at
BOE Marine
Who it's for
- Icom transceiver owners seeking seamless, automated system integration
- Marine operators needing reliable performance in harsh saltwater environments
- Radio enthusiasts requiring versatile frequency matching across the HF spectrum
Who should skip it
- Installers wanting to avoid complex remote antenna feed point mounting
- Budget-conscious hobbyists looking for affordable general-purpose tuning solutions
- High-power operators requiring amplifiers exceeding the 150-watt limit
Performance breakdown
Tuning Speed
Rapid two-second adjustments ensure you never miss a critical transmission.
Weather Durability
Rugged acrylic housing and rubber gaskets withstand harsh marine environments effortlessly.
Installation Simplicity
Pre-wired, plug-and-play connections make setup straightforward for any boat owner.
Signal Optimization
Bypassing unnecessary functions maximizes antenna efficiency for superior long-range reception.
System Compatibility
Designed specifically for seamless integration with Icom M802 and M803 radios.
Power Handling
Handles 150 watts of peak power, meeting standard marine communication requirements.
Key Specs
Brand
Icom
Model Number
ICO-AT140
Weight
27.25 lb
Dimensions
230 (w) x 340 (H) x 80 (D) mm
Antenna connector
SO-239
Max. Input Power
150 W (PEP) 100 W (continuous)
Automatic tuning time
Approx 2-3 seconds
Waterproof Rating
IPX7
Frequency Band
HF
Accessory Type
Antenna
Know before you buy
Still have a question?
Ask Metto anything about the Icom AT-140 Tuner before you decide.
