ATU100 1.8-55Mhz Automatic Shortwave Antenna Tuner USB Type-C Rechargeable with 0.96inch OLED Display

Features:
The shortwave automatic antenna tuner 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 1.8-55MHz.
Made of quality material, wear resistance, with stable and reliable performance.
Built-in lithium battery, 4.2V, 600mAh, you can use Type-C cable to recharge it.
Equipped with 0.96inch OLED display, you can see the data clearly.
Automatically tuned and do not need control wires, suitable for most radio stations.
One button to on/off, easy to use very convenient.
Equipped with indicator light, it will turn on while recharging.
Instructions:
Connect the radio, ATU antenna tuner and antenna.
For the first use, please set the output power of the radio or power amplifier between 20-30W, or the high-power tuning can easily damage the antenna tuner.
Set the radio mode, use FM mode.
Choose the antenna band to use, use 20-30W power in FM mode, press the radio PTT, observe the PWR and SWR of ATU antenna tuner.
ATU button TUNE use: short press (less than 1 second) ATU button, it is in reset state, long press (more than 1 second) ATU button is in tuning state.
If the SWR display of the ATU antenna tuner in the transmitting state is ＞2.0, it means that the antenna is detuned.