KRYTAR, founded by Thomas J. Russell in 1975, is a privately owned California corporation specializing in the manufacture of ultra broadband microwave components and test equipment for both commercial and military applications.  The KRYTAR product line includes directional couplers, directional detectors, 3 dB hybrids, MLDD power dividers/combiners, detectors, terminations, coaxial adapters and a power meter. Their products cover the DC to 67.0 GHz frequency range.