LDG Z-100A Automatic Antenna Tuner 1.8-54MHz, 125W, 2000 Memories, HF+6m

LDG Z-100A Automatic Antenna Tuner

The LDG Z-100A is a compact automatic antenna tuner covering 1.8–54MHz (HF and 6m) with a 10:1 SWR tuning range — matching dipoles, verticals, end-fed wires, G5RVs, Windoms, beams, and any coax-fed antenna. With 2000 memories for near-instantaneous band changing and a retune time of under 1 second, it integrates seamlessly with all major HF transceivers. Supplied with interface cables for Icom, Yaesu, Alinco, Kenwood, and more — ready to use straight out of the box.

Key Features

• Covers 1.8–54MHz (160m–6m) with 10:1 SWR tuning range (3:1 on 6m)
• 125W SSB/CW, 30W digital power rating
• 2000 memories for instantaneous band changing
• Full tune: 0.1–6 seconds / Memory retune: under 1 second
• Tunes 4–800Ω loads (16–150Ω on 6m)
• Built-in frequency sensor
• Supplied with interface cables for Icom, Yaesu, Alinco, Kenwood and more
• Compact enclosure: 160 × 160 × 40mm
• ⚠️ Not compatible with the Icom IC-705

Technical Specifications

• Frequency Range: 1.8–54MHz
• Power: 0.1–125W SSB/CW, 30W digital
• Tuning Range: 10:1 SWR (3:1 on 6m)
• Load Range: 4–800Ω (16–150Ω on 6m)
• Input Impedance: 50Ω
• Memories: 2000
• Tuning Time: 0.1–6 seconds (full) / <1 second (memory)
• Voltage: 13.8V DC ±15%
• Current Draw: 500mA (tuning) / 20mA (idle)
• Dimensions (L × W × D): 160 × 160 × 40mm