Millimeter Wave Products, Inc. WR-12; 20dB Broadwall Coupler H-Plane; E-band; 60-90 GHz
The 559E-20-387 is a WR-12 (E-band) broadwall directional coupler manufactured by Millimeter Wave Products, Inc. It operates in the 60 to 90 GHz frequency range and provides a nominal coupling of 20 dB in the H-plane. This coupler is designed for applications requiring precise signal sampling, monitoring, or power division in millimeter wave systems. The device features high directivity and low insertion loss, ensuring minimal signal degradation and accurate coupling performance. Its robust construction supports reliable operation in laboratory, test, and system integration environments.