mAT-40 antenna tuner
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Temporarily sold out
mAT-40 antenna tuner is backordered and will ship as soon as it is back in stock.
The mAT-40 antenna tuner is a high-quality, automatic HF-SSB antenna tuner for radio amateurs who want maximum flexibility combined with reliability. This compact mAT tuner quickly and efficiently tunes virtually any antenna – both unbalanced and single-wire setups.
The updated version of the mAT-40 now also works with the Yaesu FTDX10, making it even more versatile in modern shack and mobile installations.
Automatic and lightning-fast tuning
With a tuning time of just 0.1 to 5 seconds, the mAT-40 tunes almost instantly. Thanks to its advanced memory tuning system with no fewer than 16,000 memory locations, the tuner recognizes previously used frequencies. Switching back to a familiar band or frequency restores the tuning almost instantly.
This makes the mAT-40 antenna tuner ideal for operators who want to quickly switch between bands without having to retune each time.
Widely applicable for Yaesu, Icom and Kenwood
The mAT tuner can be used with Yaesu, Icom, and Kenwood transceivers via optional interface cables:
The tuner is powered by the connected radio and comes standard with the MAT-40-D control cable (10 meters). The robust aluminum housing, manufactured using milling and oxidation technology, makes this antenna tuner resistant to harsh outdoor conditions.
With a maximum length of only 20 cm, this is one of the most compact outdoor antenna tuners in its class.
Performance you can rely on
The mAT-40 covers a frequency range of 1.6 to 54 MHz and tunes loads from 5 to 1500 ohms. It supports:
- 0.1–120 Watts SSB/CW peak power
- 30 Watts in digital modes (PSK, RTTY, FSK)
- 100 watts on the 6 meter band
- Minimum antenna length of 2.5 meters
Thanks to the built-in frequency sensor and omnidirectional compatibility, this antenna tuner is suitable for both fixed installations and portable use.
Compact design, maximum durability
The included stainless steel mounting bracket ensures easy and secure installation. Weighing just 1 kg and measuring 20 x 13 x 4 cm, the installation remains clear and professional.
Important usage guidelines
For extended use in SSB mode, 120 watts is the recommended maximum. For digital modes such as RTTY and FSK, the power should not exceed 30 watts for extended periods. Proper power management extends the life of your mAT tuner and prevents damage to both the tuner and transceiver.
> For manual tuning, a tuning power of 5–10 watts is recommended.
The mAT-40 antenna tuner is the ideal choice for radio amateurs seeking a compact, powerful, and intelligent automatic tuner with broad brand compatibility.
Want to know more about how an antenna tuner works or the difference between an antenna tuner and an SWR meter? Then read our comprehensive blog post about antenna tuners.
Order the mAT-40 today and experience fast, stable, and reliable antenna tuning on all your favorite HF bands.
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