American Amplifier Technologies (AAT) designs and manufactures broadcast and industrial electrical products built for long-term reliability and real-world performance. Serving the broadcast, industrial, and scientific markets, AAT delivers solutions engineered with quality materials, practical simplicity, and rigorous engineering standards. With a broad product portfolio, deep inventory, and an experienced professional staff, AAT is focused on helping customers deploy dependable systems that perform day after day in demanding environments.

In April 2023, AAT acquired Shively Labs, adding a highly respected legacy line of FM antennas, filters, combiners, and coaxial products. With nearly 60 years of RF manufacturing experience, Shively Labs is widely known for its expertise in directional antenna systems, multi-station combining solutions, and exceptional customer support. Through AAT, Shively Labs continues to represent proven designs trusted by broadcasters across North America.
Since September 2025, AAT is also home to Kathrein-Scala, a globally recognized leader in broadcast antenna and RF system design. Kathrein-Scala products are deployed worldwide and valued for their durability, broadband performance, and consistent operation in challenging conditions.
Together, AAT, Shively Labs, and Kathrein-Scala provide a unified portfolio of products and expertise designed to support modern broadcast operations with confidence, reliability, and long-term performance.