The PEWRD650CP02-10 from Pasternack Enterprises Inc is a Waveguide Coupler with Frequency 6.5 to 18 GHz, Coupling 10 dB, Directivity 30 dB, Insertion Loss 0.8 dB, Power 200 W. Tags: Double Ridged Coupler, Broadwall Coupler. More details for PEWRD650CP02-10 can be seen below.