M-tron Industries, Inc. designs, manufactures, and markets frequency and spectrum control products. It operates in two product groups, Frequency Control and Spectrum Control. The Frequency Control product group includes a portfolio of quartz crystal resonators, clock oscillators, VCXO, TCXO OCXO, and DOCXO devices. These products are designed for applications in aerospace and defense, telecommunications infrastructure, and instrumentation markets. The Spectrum Control product group comprises an array of radio frequency (RF), microwave and millimeter wave filters, and diplexers covering a frequency range from 1 MHz to 90 GHz, and solid-state power amplifiers covering a frequency range from 300 MHz to 26 GHz, with power output from 10 Watts to 10 kWatts. The filter devices include crystal, ceramic, LC, tubular, combline, cavity, interdigital and metal insert waveguide, as well as digital, analog, and mechanical tunable filters, switched filter arrays, and RF subsystems. The power amplifiers add active devices comprise GaN, GaAS FET, LDMOS, and chip and wire technologies in narrow or broadband, module, or rack-mounted packages. These products are used in applications in the commercial and military aerospace, defense, space, and other commercial markets. The company was founded in 1965 and is based in Orlando, Florida.