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ATU-100 PRO PLUS Automatic Antenna Tuner N7DDC 1.8-50MHz HF


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Automatic Antenna Tuner ATU-100 PRO+ by N7DDC 1.8-50MHz Battery Powered for portable use!

Assembled and tested ATU-100 PRO+ Automatic Antenna Tuner 1.8-30MHz, OLED screen, with Metal case and internal Battery. 

- Mini shortwave automatic antenna tuner, Type-C charging interface, M seat, OLED display.
- The antenna tuner is automatically tuned without any control wires, suitable for most radio stations.
- The device contains a set of 7 capacitors and 7 inductors, which allows it (with the largest configuration) to work effectively in a wide frequency band, overlapping the amateur radio HF band of 1.8-30MHz.
- With metal housing, stable and reliable performance.


  • The device consists of a set of seven capacitors and seven inductors, which enables it (with the largest configuration) to work effectively in the broadband, 1.8-30 MHz amateur radio HF band.
  • Power supply voltage: USB charging or you can install battery in it 
  • Maximum current consumption: 400mA
  • Maximum working power: 100W
  • Maximum possible measured power: 150W
  • Minimum power required to start tuning: 5W
  • Minimum possible measured power: 0.1W
  • Measurement steps with power up to 10W: 0.1W
  • Measurement steps with power higher than 10W: 1W
  • Power measurement accuracy: 10%
  • Maximum installed inductance: 8.53uh
  • Minimum installation inductance step: 0.05uh
  • Maximum installed capacitance: 1869pf
  • Minimum installation capacitance step: 10PF
  • Number of panel buttons: power pow, direct, automatic, function
  • Display: 0.96 oled
1 Year manufacture warranty, customer pays the shipping cost.

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  • 4
    Fonctionne bie

    Posted by Daniel Boisvert on 2023 Oct 21st

    Très bon achat