Utilizing proprietary engineering, our amplifiers offer 100% mismatch tolerance, low harmonics, superior gain flatness, excellent linearity and are user-friendly. AR offers over 100 amplifier models ranging from 10 Hz–50 GHz and with power levels of 1 W–100 kW. In addition, AR offers world-class caliber support and service with our three-year warranty (one year on TWT amplifiers and traveling wave tubes) and a worldwide sales and service network of distributors and service houses.