1.8-50MHz Mini Automatic Antenna Tuner 3.2 Firmware Programmed by N7DDC 7×7 Automatic Antenna Tuner W/ Metal Housing Assembled – 509

1.8-50MHz Mini Automatic Antenna Tuner 0.91inch OLED Display by N7DDC 7×7 3.2 Firmware Programmed Metal Outcase Finished with Battery

Features:

1. Ready-to-Use Convenience: This automatic antenna tuner comes fully assembled and includes a battery, allowing you to use it right out of the box. With no assembly required, you can immediately enjoy the benefits of this tuner developed by N7DDC.

2. Premium Components: Equipped with high-quality surface mount capacitors, C-channel capacitors, premium 1000V high-voltage surface mount capacitors, and imported PIC chips, this antenna tuner ensures top-notch performance and reliability. The ultra-high frequency connectors further enhance the overall quality.

3. Extremely Compact Design: The machine’s exterior shell is meticulously crafted by a talented designer, resulting in a compact and exquisite form. With its sleek and space-saving design, this mini automatic antenna tuner is perfect for those seeking a portable and visually appealing solution.

4. Dual Tuning Modes: This automatic antenna tuner offers two tuning modes: automatic and manual. The automatic mode allows for effortless tuning, while the manual mode provides more control and customization options. Choose the mode that suits your preferences and operating style.

5. Satisfaction Guarantee: We strive to provide each customer with the highest standard of customer service to ensure you have a pleasant shopping experience. If you have any issues, inquiries or need assistance, please feel free to contact us directly. 

Instructions:

1. Connect radio – ATU antenna tuner – antenna

2. When using for the first time, please set the output power of the radio or power amplifier between 20-30W, warning: high power tuning may easily damage the antenna tuner! !

3. Set the radio mode and use FM mode

4. Select the antenna band to be used, use 20-30W power in FM mode, press the radio PPT, and observe the ATU antenna tuner PWR and SWR

5. Use of the ATU button TUNE: short press (less than 1 second) the ATU button is in the reset state, long press (more than 1 second) the ATU button is in the adjustment state

Usage video:

Specification:

Origin: Mainland China

Power range: 10-15 VDC –

Maximum current: 450mA

Maximum operating power: 100 watts

Maximum measured power: 150 watts –

Minimum power for tuning start: 1 watt

Minimum measured power: 0.1 watt

Power measurement step below 10 watts: 0.1 watt

Power measurement step above 10 watts: 1 watt

Power measurement accuracy: 10 %

Maximum inductance setting: 8.5 uH

Minimum step for setting inductance: 0.1 uH

Maximum installed capacity: 1870 pF

Set the minimum capacitance step: 10 pF

Product size: 135.00×98.00×38.00mm/5.31×3.86×1.5inch

Note:

1. Under-tuning may occur within 1.5W. So don’t try to go below 5W.

2. It is recommended that the maximum power does not exceed 30 watts during tuning. (After tuning, you can set 100 watts and work at this power, otherwise it is easy to burn)

3. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!

4. Please allow 1-2cm measuring deviation due to manual measurement.

1 X Antenna Tuner 

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