Features Mini shortwave automatic antenna tuner with Type-C charging interface, M seat, and OLED display. Automatically tunes without any control wires, making it suitable for most radio stations. Equipped with 7 capacitors and 7 inductors, enabling effective operation over a wide frequency band from 1.8 to 55MHz, covering the amateur radio HF band. Housed in a metal casing for stable and reliable performance. Specifications Material: Metal Color: Black Power Supply Voltage: USB charge and discharge (built-in battery) Battery: 1 lithium battery, 400mAh (included) Maximum Current Consumption: 400mA Maximum Working Power: 100W Maximum Possible Measurement Power: 150W Minimum Power Required to Start Tuning: 5W Minimum Possible Measurement Power: 0.1W Measurement Steps for Power Up to 10W: 0.1W Measurement Steps for Power Higher Than 10W: 1W Power Measurement Accuracy: 10% Maximum Installation Inductance: 8.53uH Minimum Installation Inductance Step Length: 0.05uH Maximum Installation Capacitance: 1869pF Minimum Installation Capacitance Step Length: 10pF Display: OLED Package Size: 150 x 100 x 40mm / 5.9 x 3.9 x 1.6in Package Weight: 300g / 10.6 ounces Package Included 1 x ATU-100 1.8-55MHz Mini Automatic Antenna Tuner
