LDG’s products offer a non-pro-rated Full Two Year Transferable Warranty. Free return shipping on all warranty repairs.

Desktop Tuner



LDG desktop tuners are perfect for your home shack, but can also be used portable or mobile if the need arises. Different models handle RF power levels from 100 to 1000 watts. LDG’s generic tuners work with almost any transceiver or transmitter.

Items are available from your favorite HAM Radio Dealers.

AT-200ProII

  • Description

    The LDG AT-200ProII is a general purpose automatic tuner suitable for any amateur application. It covers 1.8-54 MHz, and features a two-position antenna switch allowing instant switching between two antennas. The AT-200ProII requires just 5 watts for operation but will handle up to 250 watts, making it ideal for the new generation of higher powered transceivers, or for QRP operations that sometimes use a small amplifier.


    Like most LDG tuners the AT-200ProII operates automatically, beginning a tuning cycle whenever the SWR exceeds a preset limit. The AT-200ProII also features LDG’s advanced memory tuning, providing 2,000 memory locations; when tuning near a previously used frequency it will recall the settings for nearly instant tuning. It learns your favorite frequencies and bands as you use it. You can also start a tuning cycle manually whenever necessary.


    Large, easy-to-read LED bargraphs show forward and reverse power power in peak or average mode, and SWR. Two power scales are provided: 25 watts and 250 watts. The bargraphs also indicate tuner status and input confirmations. 


    The AT-200ProII uses LDG’s state-of-the-art, processor-controlled Switched-L tuning network. It will match dipoles, verticals, inverted-Vees or virtually any coax-fed antenna.


    All LDG tuners come with a two year fully transferable warranty, and LDG’s legendary customer service. Contact your LDG dealer to order.

  • Specs

    • Transmit Power Limits: SSB 5 to 250 watts; CW: 200 watts; FT-8: 150 watts; PSK and other digital modes: 125 watts; 6M: 100 watts.
    • 4,000 memories for instantaneous band changing.
    • Built-in 2-port antenna switch, with 2,000 memories each.
    • Tuning time 0.2 to 15 seconds full tune, 0.2 seconds memory tune.
    • 1.8 to 54.0 MHz coverage. Built-in frequency sensor.
    • Tunes 6 to 1,000 ohm loads (16 to 150 on 6m), 6 to 4,000 ohms with optional 4:1 balun.
    • LED bargraph displays power level, SWR, and status.
    • Antenna Indicator LED shows the currently selected antenna.
    • Bypass Indicator LED shows when the tuner is in pass-thru mode.
    • User-selectable operating parameters: Auto/Semi mode, 250W/25W scale, and more.
    • DC power cable included.
    • Optional external Baluns allow tuning of random length, long wire, or ladder line fed antennas. Click here for details.
    • Optional interface cables are available. Click here for details.
    • Power requirements: 11 to 16 VDC @ 1A max.
    • Dimensions: 9.5” L x 7.0” W x 2.25” H.
    • Weight 2 pounds, 8 ounces.
  • Docs

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