Icom AT 140 Antenna Tuner
Best automatic tuner for long-range maritime radio communication.
This is the gold standard for marine HF setups, turning the tedious chore of antenna matching into a near-instant, automated process. You sacrifice the manual control of a traditional tuner, but you gain a rugged, weather-sealed workhorse that ensures your signal stays clear even in the harshest conditions.
$582.95
at
The GPS Store
Who it's for
- Sailors operating in harsh, saltwater environments
- Icom radio owners seeking a simple, plug-and-play setup
- Operators needing rapid, reliable tuning across all HF bands
Who should skip it
- Installers wanting easy access to their tuning equipment
- Users of non-Icom radio equipment
- Amateur radio enthusiasts running high-power linear amplifiers
Performance breakdown
Tuning Speed
Rapid matching ensures minimal downtime when switching between maritime frequencies.
Marine Durability
Rugged weather-resistant housing thrives in harsh, salt-heavy offshore environments.
Integration Efficiency
Seamlessly pairs with Icom transceivers for a truly plug-and-play experience.
Memory Capacity
Eight storage slots provide quick recall for frequently used antenna configurations.
Power Efficiency
Low-power tuning preserves battery life during critical maritime communication sessions.
Antenna Versatility
Reliably matches wire antennas as short as seven meters for compact setups.
Key Specs
Frequency Coverage
1.6~30 MHz
Max. Input Power
150 W
Rated Voltage
13.6 V DC
Operating Temperature Range
-30C to +60C
Dimensions
230 x 340 x 80 mm
Weight
2.7 kg
Input Impedance
50 ohms
Tuning Power Input
10 W
Mounting Type
Bracket Mount
Display Type
Backlit Display
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