Automatic Tuning -- The antenna tuner adopts automatic tuning, the ATU (Automatic Antenna Tuner) KIT independently developed by N7DDC, equipped with an OLED screen, and the data is clearly visible ^^ Capacitors -- The antenna tuner uses brand chip capacitors, C channel capacitors, 1000V high voltage chip capacitors, and imported chips ^^ Radio Frequency Band -- The antenna tuner can work effectively in the broadband overlapping radio HF frequency band from 1.8 mhz to 50MHz. The maximum current consumption is 400mA, 7 inductance and 7 capacitance ^^ Portable Antenna Tuner -- This is a portable antenna tuner, so you can take with you wherever you want to use ^^ Enjoy Fun of Assembly -- The easy to install antenna tuner allows you to enjoy the fun of assembly, and is more professional, more stable and better in performance