Established in 1994, RelComm Technologies designs and manufactures RF and microwave coaxial relays and waveguide switches for communications and instrumentation applications. Its Salisbury, Maryland operation produces and ships these products from a 16,000-square-foot facility, supporting uses ranging from military and satellite systems to medical equipment and test instrumentation. RelComm’s application-specific designs operate from DC to 40 GHz and are made in the USA.
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Reactel, IncorporatedSince its founding in 1979, Reactel, Incorporated has built its identity around specialized RF and microwave engineering for demanding communications and defense applications. The Gaithersburg manufacturer develops custom filters and related assemblies for customers worldwide, with designs reaching millimeter-wave frequencies and an ISO 9001 certification held since 1996.GAITHERSBURG, MD
Sector Microwave IndustriesSince 1974, Sector Microwave Industries has made electromechanical microwave and RF switches for communication, military, satellite, and commercial ground-station applications. The Deer Park manufacturer handles production on its own premises and has supplied high-reliability switches for space missions since 1985, including NASA’s Mars Surveyor mission and OSIRIS-REx’s journey to asteroid Bennu. Its ISO 9001 quality system, in-house machine shop, clean room, and dedicated high-reliability testing facilities support both standard and custom designs.DEER PARK, NY
AMCOM Communications, IncAMCOM Communications was founded in 1996 by two former Comsat RF engineers and remains a Gaithersburg-based, fabless company built around specialized microwave expertise. Its engineers develop custom RF solutions for customers in aerospace, defense, telecommunications and other demanding fields, with more than 150 power-module designs completed. AMCOM maintains ISO 9001:2015 certification and sells its products in more than 30 countries.ROCKVILLE, MD
KoaxisKoaxis manufactures small-diameter coaxial RF microwave cable assemblies and the connectors and cable that go into them, serving demanding test, defense and advanced-technology applications. Based in Schwenksville, Pennsylvania, the company distinguishes itself with an online cable configurator that lets customers specify assemblies and order stocked components for shipment in as little as 48 hours. Koaxis also traces its evolution from 75-ohm RF connectors to 50-ohm, high-frequency and cryogenic solutions while keeping customer support direct and personal.SCHWENKSVILLE, PA