The PE-W19CP003-10 from Pasternack Enterprises Inc is a Waveguide Coupler with Frequency 40 to 60 GHz, Coupling 10 dB, Directivity 30 dB, Insertion Loss 0.8 dB. Tags: Directional Coupler, Multihole Coupler. More details for PE-W19CP003-10 can be seen below.