LDG AT-1000 PRO II – Automatic Antenna Tuner


Introducing the LDG AT-1000 PRO II – Automatic Antenna Tuner, the perfect companion for any avid radio operator. Designed with convenience and efficiency in mind, this advanced tuner builds upon the success of its predecessor while simplifying operation for a seamless user experience.

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Equipped with a two-position antenna switch, the AT-1000ProII boasts an impressive 2,000 memory slots, allowing for near-instantaneous recall of tuning parameters whenever you transmit on or near a frequency you’ve used before. With just a simple key, this tuner effortlessly tunes to perfection. With a power range of 5 to 1,000 watts peak RF input, the AT-1000ProII adapts to your needs, ensuring optimal performance regardless of power levels.LDG AT-1000 PRO II - Automatic Antenna Tuner

The large, easy-to-read bar graph display features two selectable scale ranges (100 and 1,000 watts), providing accurate power readings, and an SWR meter to monitor signal quality.

Designed to seamlessly integrate with popular transceivers, the AT-1000ProII allows for easy control through the TUNE button, simplifying your setup and enhancing efficiency.

Covering an impressive frequency range of 1.8 to 54.0 MHz, this tuner is versatile enough to handle a wide variety of antennas, ranging from Yagis and dipoles to inverted Vs and slopers. It can match coax-fed antennas with impedance ranging from 6 to 1000 ohms (16 – 150 ohms on 6 meters), making it compatible with various setups.

Thanks to its high-power microprocessor-controlled switched L tuning network, tuning time is quick, usually under 10 seconds. For long wires or antennas fed with a ladder line, an external balun is required to ensure optimal performance.

In terms of specifications, the AT-1000ProII boasts a power rating of 1000 watts single sideband (SSB) on HF frequencies (1.8 to 30 MHz), 750 watts continuous wave (CW), and 500 watts for digital modes such as RTTY and Packet. On 6 meters, it delivers a respectable 250 watts across all modes.

The AT-1000ProII comes with a dual meter scale, allowing you to easily monitor both power output (100/1000 watts) and SWR. It also features relay protection software that prevents tuning when RF power is high, ensuring the longevity of your equipment.

For added convenience, an optional external 4.5″ analogue, LED-backlit meter is available. The compact enclosure measures 10″ (W) x 11″ (D) x 3″ (H) inches and weighs only 2.2 kg, making it portable and easy to incorporate into your existing setup.

Included in the package is a 6-foot power cable (5.5 x 2.5 mm), ensuring a hassle-free installation process.

Upgrade your antenna system with the LDG AT-1000 PRO II – Automatic Antenna Tuner and experience enhanced performance, effortless tuning, and optimal signal quality.


  • Continuous Coverage: 1.8 to 54 MHz
  • Power Rating HF (1.8 to 30 MHz): 1000W single side band 750W CW 500
  • Watts Digital (RTTY, Packet, etc) 6 Meters: 250W (any mode)
  • Dual meter scale 100/1000 watts and SWR
  • Tuning Power: 5 to 125W maximum
  • Optional External 4.5″ analog, LED-backlit meter, 6.7 (W) x 4.0 (D) x 4.0 (H)
  • Includes 6-foot power cable 5.5 x 2.5 mm
  • Enclosure Sizes: 10 (W) x 11 (D) x 3 (H) inches
  • Weight: 2.2 kg

Additional information

Weight2.4 kg