1. Premium Craftsmanship: This automatic antenna tuner is crafted with high-quality materials and attention to detail, ensuring its durability and . The alloy casing provides reliable protection and enhances the overall robustness of the tuner. 2. Powerful Functionality: With its advanced technology, this HF auto tuner offers powerful functionality. It automatically matches the impedance between your antenna and transmitter, optimizing signal strength and improving communication quality. Say goodbye to manual adjustments and enjoy seamless performance. 3. Excellent Heat Dissipation: The portable HF antenna tuner is designed with efficient heat dissipation in mind. It features a well-ventilated design to prevent overheating during extended usage periods, ensuring stable operation and maintaining optimal performance over time. 4. Low Power Consumption: This auto antenna tuner has been engineered to be energy-efficient. It consumes minimal power while delivering impressive results. You can save on energy costs and enjoy long-lasting performance without compromising on functionality. 5. Versatile Applications: The ATU-100 case box is suitable for a wide range of applications. Whether you are a radio amateur, a professional broadcaster, or involved in communication systems, this tuner can adapt to different antennas and transmitters, making it a versatile and essential tool for effective signal transmission. : ELECTRICAL The finished kit is purely hand-soldered to provide 3.2 program support with controller with a resolution of 128x32 pixels, diagonal 0.91-inch monochrome OLED display. This circuit contains a set of 7 inductors and 7 capacitors, which allows it to operate over a frequency range, effectively covering the amateur radio range from 1.8MHz-30MHz. Allowable supply voltage range: DC 10-15V Maximum current consumption: 400 mA Maximum operating power: 100 W Maximum possible measured power: 150 W Minimum power required to start tuning: 5 W Minimum possible measurement power: 0.1 W Measurement resolution for power up to 10 W: 0.1 W Measurement resolution for power 10W: 1W Power measurement accuracy error: 10 per cent Maximum mounting inductance: 8.53H inductance Minimum installation step: 0.05H Maximum installed capacity: 1869 pF Minimum capacitance mounting step: 10 pF Typical consumption 100-200 mA 1. At present, the optional functions are 1-5w start and adjust, 10 seconds screen self-extinguishing/normal light, full-automatic/manual mode and so on. 2. Default is 1w start to adjust, the screen is always on, manual/automatic switching mode Product size: 173x88x38mm/6.81x3.46x1.5inch Color:Black Material:Aluminum Alloy Package Contents: 1 x Automatic Antenna Tuner 1 x Connection Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.