Discover the efficiency and convenience of the ATU 100 Automatic Antenna Tuner, designed to enhance your radio experience with its advanced features and user-friendly design. This mini shortwave antenna tuner is perfect for amateur radio enthusiasts and professionals alike. Premium Metal Shell: Crafted with a durable aluminum alloy shell, this antenna tuner offers stable and reliable performance. Its robust construction ensures long service life, making it a practical and easy-to-use choice for any radio setup. Easy to Use: The ATU 100 automatically tunes without the need for any control lines, making it suitable for most radio stations. Its pre-assembled shell allows for immediate use, eliminating the hassle of assembly and setup. Broad Compatibility: Equipped with a set of 7 capacitors and 7 inductors, this tuner effectively covers a wide frequency range, overlapping with the 1.8-55MHz amateur radio HF band. This ensures optimal performance across various frequencies. Rechargeable and Display Design: Featuring a USB Type-C charging port and an OLED display, this mini shortwave tuner is both compact and lightweight. Its portable design makes it easy to carry and convenient to use anytime, anywhere. Superior Performance: With 10% power measurement accuracy, the ATU 100 offers precise tuning capabilities. It boasts a maximum mounting inductance of 8.53μH and a minimum step mounting inductance of 0.05μH, along with a maximum mounting capacity of 1869pf and a minimum mounting capacity of 10pf. Enhance your radio communication setup with the ATU 100 Automatic Antenna Tuner. Its combination of durability, ease of use, and advanced features makes it an essential tool for achieving optimal signal performance and clarity.