The WC-187-UDR-NF is a precision-engineered Waveguide to Coaxial Adapter professionally optimized for the C-band RF spectrum. Operating from 3.95 GHz to 5.85 GHz, this precision WR-187 component enables high-efficiency power transition with a capacity of up to 300 Watts (CW). Featuring a robust UDR flange and a precision-machined N-Female connector, it is specifically designed to maintain exceptional Signal Integrity with a low V.S.W.R of 1.25. This industrial-grade adapter is ideal for use with WR187 standard gain horn antennas in satellite communications, radar system integration, and advanced RF laboratory measurement environments. Expertly developed and manufactured in Taiwan, it is built to satisfy the most demanding industrial and scientific calibration benchmarks.