The PEWRD650CP01-30 from Pasternack Enterprises Inc is a Waveguide Coupler with Frequency 6.5 to 18 GHz, Coupling 30 dB, Directivity 25 dB, Insertion Loss 0.3 dB, Power 400 W. Tags: Double Ridged Coupler, Broadwall Coupler. More details for PEWRD650CP01-30 can be seen below.