LDG AT-200 PRO II – Automatic Antenna Tuner


Introducing the LDG AT-200 PRO II – Automatic Antenna Tuner, a versatile and powerful tuner designed for amateur radio enthusiasts. With its automatic tuning capabilities and advanced memory tuning features, this tuner is perfect for any amateur application.


Featuring LDG’s renowned automatic tuning technology, the AT-200 PRO II initiates a tuning cycle whenever the SWR (Standing Wave Ratio) exceeds a preset limit. This ensures optimal performance and efficiency while operating your radio. Additionally, the tuner boasts LDG’s advanced memory tuning feature, which stores up to 2.000 memory locations. When tuning near a previously used frequency, the AT-200 PRO II instantly recalls the settings for seamless and hassle-free tuning. You also have the option to manually initiate a tuning cycle whenever necessary.

Please note that the tuner does not tune at 70 MHz when used with radios such as the IC-7300, FTDX10, or TS-890 in bypass mode. However, it does pass this frequency with minimal loss.

With impressive specifications, the AT-200 PRO II can handle a power range of 5 to 250 watts for SSB (Single Sideband) and CW (Continuous Wave) transmissions. It can even handle up to 100 watts on 6 meters. The LED bar graph display provides easy-to-read information on RF power, SWR, and status, ensuring you have all the necessary data at your fingertips.

LDG AT-200 PRO II – Automatic Antenna Tuner

Featuring a staggering 16.000 3D memories, this tuner allows for instantaneous band changing, making it incredibly convenient and efficient. The two-position antenna switch further enhances usability, offering memories for four antennas in each position.

The tuning time of the AT-200 PRO II ranges from 0.5 to 6 seconds for full tune cycles and less than 0.1 seconds for memory tuning.

It covers a frequency range of 1.8 to 54.0 MHz, making it suitable for a wide range of applications. The tuner can handle impedance loads from 6 to 1000 ohms (16 to 150 ohms on 6 meters), accommodating various antenna types such as dipoles, verticals, Vs, beams, or coax-fed antennas.

For added convenience, optional interfaces for Icom and Yaesu radios are available, allowing seamless integration with these popular brands. The AT-200 PRO II requires 11 to 16 volts of DC power at a maximum of 750 mA during tuning.

Encased in a compact enclosure measuring 9.5 x 7.1 x 2.0 inches, the LDG AT-200 PRO II is designed for durability and ease of use. With its robust features and outstanding performance, this automatic antenna tuner is sure to enhance your amateur radio experience. Choose the LDG AT-200 PRO II and enjoy effortless and efficient tuning like never before.

Additional information

Weight 1.5 kg