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

Desktop/Zero Power Tuner



LDG’s “zero power” tuners use only microwatts of DC power in standby, making them ideal for portable or mobile use. They can easily be powered by batteries, and are compact and lightweight. You can easily use them in you Go-Box, or backpack portable.

Items are available from your favorite HAM Radio Dealers.

Z-100A

  • Description

    The Z-100A features LDG’s famous 10:1 SWR tuning range that matches Dipoles, Verticals, End fed wires, G5RVs or even an Off center fed Windham. Easy integration means plug and play operation; installation could not be simpler. The Z-100A tuner goes anywhere with any HF radio… desktop, portable, parks, islands, or tall summits.


    The Z-100A Automatic Antenna Tuner package works with all HF radios up to 125 watts RF output (30 watts digital) and can be interfaced with dozens of modern transceivers. An interface cable isn't required for semi-automatic operation.


    For use with radios that are not control interfaced, including Elecraft and FlexRadio, supply DC to the Z-100A tuner with the IC-104 cable. 


    Also included with the LDG-Z-100A are the remaining six interface cables for Yaesu, Kenwood, Icom and Alinco. Here is a listing of included interface cables, compatible transceivers and how each of them function:


    Press Button on Tuner – Interface keys radio automatically:

    • IC-108 Yaesu FT-891, 991A, 991, 857, 897, 100
    • IC-109 Yaesu FTdx10, 1200, FT-950, 450 (10-pin mini-DIN LINEAR Port must be used on these models)
    • IC-115 Yaesu FTdx-101D, FTdx-3000
    • IC-105 Alinco EDX-2 Compatible, DX-70, DX-77

    Press Button on Tuner or Radio – Interface keys radio automatically:

    • IC-100 ICOM AH-3 or AH-4 Compatible Transceivers

    Key Radio and Press Button on Tuner:

    • IC-106 KENWOOD AT-300 Compatible Transceivers
    • IC-105 ALINCO SR8T, SR9T

    Power Only – Included with Z-100A for Key Radio and Press Button on Tuner semi-automatic operation with any HF transceiver up to 125W SSB/CW, 30W Digital: -IC-104 Power, Ground, Key, Start


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

  • Specs

    • 0.1 to 125 Watt SSB/CW, 30W Digital.
    • 2000 memories for instantaneous band changing.
    • Controlled from Icom Tuner button on radio or Push button on Tuner.
    • Compatible with any Icom radio that is AH-4 or AH-3 compatible. (6M tuning from Tuner button for radios that are only AH-3 compatible)
    • See Z-100A Cable guide for a full list of compatible radios.
    • Tuning time: 0.1 to 6 seconds full tune, 0.1 seconds memory tune.
    • 1.8 to 54.0 MHz coverage. Built-in frequency sensor.
    • Tunes 4 to 800 ohm loads (16 to 150 on 6M)
    • For Dipoles, Verticals, Vs, Beams or any Coax Fed Antenna.
    • Includes all Z-100A Cables. Ready to use out of the box.
    • Small Size Enclosure: 6.5″ L x 6.5″ W x 1.25″ H.
    • Weight: 1.5 pounds.


  • Docs

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