ATU-100-0A 1.8-55MHz Mini Automatic Antenna Tuner OLED Display Aluminum Alloy Outcase with1800MAh Battery ATU Antenna Tuner

The shortwave automatic antenna tuner contains a set of 7 s 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. Built-in lithium battery, 3.7V, 1800mAh, you can use Type-C cable to recharge it. Equped with 0.91inch OLED display, you can see the data clearly. Automatically tuned and do not need control wires, suitable for most radio stations. You can have a try. Features: The shortwave automatic antenna tuner contains a set of 7 s 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. Made of quality material, wear resistance, with stable and reliable performance. Built-in lithium battery, 3.7V, 1800mAh, you can use Type-C  cable to recharge it. Equped with 0.91inch OLED display, you can see the data clearly. Automatically tuned, no human and control wires are required, and it is suitable for most radio stations. One on to on/off, easy to use very convenient. 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 frequency modulation mode. Choose the antenna band to use, use 20-30W power in frequency modulation mode, pre the radio PTT, observe the PWR and SWR of ATU antenna tuner. ATU on TUNE use: short pre (le than 1 second) ATU on, it is in reset state, long pre (more than 1 second) ATU on 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.6.You need to use an antenna tuner. Pre and hold the ATU on tune to tune and observe the SWR value. If the SWR is greater than 3.0 after tuning, the antenna will be detuned. In serious cases, it is not recommended to use more than 30W power, and the transmiion power should be controlled below 30W; If the tuning is completed, the SWR display is le than 2.0, and the maximum power of 100W can be used for transmiion. Specifications: Name: ATU100 Tuner Material: aluminum alloy Color: black Display: 0.91inch OLED display Charge: USB Type-C cable Battery: 1 * lithium battery, 3.7V, 1800mAh (included) Voltage: tyal + 12 V  (DC10-15V, 13.8V) Working frequency: 1.8-55MHz Maximum current consumption: 400mA Maximum working power: 100W Maximum poible measurement power: 150W Minimum power required to starts tuning: 5W Minimum poible measurement power: 0.1W Measurement step for power up to 10W: 0.1W Measurement step with 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 Number of panel ons: 3 (ON/OFF, AUTO, TUNE) Item size: 160 * 90 * 40mm / 6.30 * 3.54 * 1.57in Item weight: 413g / 0.91lb Package size: 175 * 122 * 55mm / 6.89 * 4.80 * 2.17in Package weight: 465g / 1.03lb Packing List: 1 * ATU100 Tuner 1 * Type-C Cable

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