R&D Microwaves offers a comprehensive line of high-performance directional couplers designed for accurate signal sampling, monitoring, and power distribution in RF and microwave systems. Available for both general-purpose and wireless applications, these couplers are engineered to deliver excellent coupling accuracy, low insertion loss, high directivity, and reliable performance across a broad frequency range. Designed and manufactured in the USA, R&D directional couplers support laboratory testing, commercial communications, military systems, DAS networks, and other demanding RF environments. Multiple coupling values, connector options, and custom configurations are available to meet specific application requirements while ensuring consistent and dependable operation.