Optimized Performance: The ATU-100 is designed for amateur and HAM radio enthusiasts, ensuring reliable and efficient tuning across a 0-30M frequency range with a power capacity of up to 100 . This tuner enhances your communication capabilities by providing clear and stable transmissions. and Compact: Built to last, the ATU-100 features a robust construction that withstands rigorous use. Its compact design makes it easy to integrate into your existing radio setup without taking up excessive space. Easy Installation: This automatic antenna tuner is user-friendly, with straightforward installation steps that allow you to quickly improve your radio system's performance without professional help. Specifications: Power supply: DC plug Technical characteristics () 7 groups of LC Band: 0-30M Allowed supply voltage range: 8-13VDC (plug in use) Maximum current consumption: 400 mA Maximum operating power: 100W Maximum possible measurement power: 150W Minimum power required to tuning: 5W Minimum possible measurement power: 0.1W Measurement resolution for power up to 10 : 0.1W Measurement resolution for power 10 : 1W Power measurement accuracy error: 10% Maximum installed inductance: 8.53H inductance Minimum installation step: 0.05H Maximum installed capacity: 1869pF Minimum capacitance installation step: 10 pF typical consumption 100-200 mA Colour:black Material:Aluminum Alloy Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Automatic Antenna Tuner 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.