Specification: Item Type: Automatic Antenna Tuner Material: Aluminum alloy Model: ATU-100 Allowable Supply Voltage Range: 10-15VDC Maximum Current Consumption: 400 mA Maximum Working Power: 100W Maximum Possible Measurement Power: 150W Minimum Power Required to Start Tuning: 5W The Smallest Possible Measurement Power: 0.1W Measurement Resolution for 10 Wh Power: 0.1W Measurement Resolution for Power Greater Than 10 Watts: 1W Power Measurement Accuracy Error: ±10% Maximum Installation Inductance: 8.53μH Minimum Installation Step of Inductance: 0.05μH Maximum Installed Capacity: 1869 pF Minimum Capacitance Installation Steps: 10 pF Typical Consumption: 100-200 mA Frequency Range: 1.8-30Mhz (actually can get 1.8-50Mhz) Package List: 1 x Antenna Tuner 1 x Connection Line 1. The product has a large heat dissipation area, which can better maintain long‑term operation.2. Coated with anti‑corrosion paint, smoothly surface and greatly improve service life.3. One‑piece molding without burrs, convenient to install and with good performance.4. With great workmanship, made of aluminum alloy is strong and durable.5. The maximum current consumption is 400 mA, the maximum operating power is 100W and the maximum possible measured power is 150W. 1. The product has a large heat dissipation area, which can better maintain long‑term operation.2. Coated with anti‑corrosion paint, smoothly surface and greatly improve service life.3. One‑piece molding without burrs, convenient to install and with good performance.4. With great workmanship, made of aluminum alloy is strong and durable.5. The maximum current consumption is 400 mA, the maximum operating power is 100W and the maximum possible measured power is 150W.