Waveguide Impedance Matchers. Mega Industries produces Waveguide Impedance Matchers in sizes ranging from WR-28 to WR-2300. For extremely high power applications, impedance matchers of the short slot hybrid design are utilized. Non-contacting, double bucket shorting assemblies, mounted on Teflon runners, are utilized for long term reliability. With an insertion loss characteristic of less than 0.05 db., maximum power transfer is assured for both manual and motorized units. Please see the Quote Request form below to explore commonly used materials, paint and flange configurations. Contact Mega Industries if you do not see the Waveguide Impedance Matcher configuration your high-power microwave application requires.