ATU-130 MAX Radio Automatic Antenna Tuner

The ATU-130 MAX is a versatile and efficient automatic antenna tuner designed for use with HF radios. It allows operators to optimize the performance of their radio systems by automatically adjusting the impedance of the antenna, ensuring a better match with the transmitter. This capability improves signal strength, transmission range, and overall communication quality, particularly in variable frequency environments.

Built for durability, the ATU-130 MAX is capable of handling a power input of up to 125 watts, making it suitable for various amateur and professional radio setups. The tuner covers a wide frequency range from 1.6 MHz to 30 MHz, allowing seamless tuning across the HF spectrum, whether for voice, digital, or CW operations. Its fast automatic tuning ensures minimal disruption to communication, typically tuning in less than a second after transmission begins.

One of the key features of the ATU-130 MAX is its memory function, which stores previously tuned frequencies and their settings. This allows for quick retuning when revisiting frequencies, enhancing operational efficiency for users who frequently switch between bands. The unit is powered directly from the transceiver and requires no external power supply, contributing to its compact design and ease of integration into mobile or base station setups.

The ATU-130 MAX is housed in a rugged, weatherproof enclosure, making it suitable for both indoor and outdoor installations. Its robust design ensures reliable operation even in challenging environmental conditions, including high humidity, rain, or dust. The tuner connects easily with a wide range of antennas, including wire antennas, dipoles, and verticals, making it a flexible choice for various communication needs. Overall, the ATU-130 MAX offers a user-friendly, high-performance solution for automatic impedance matching, helping radio operators maintain optimal communication quality.