The PEWCP1084N-40 from Pasternack Enterprises Inc is a Waveguide Coupler with Frequency 8.2 to 12.5 GHz, Coupling 40 dB, Directivity 18 dB, Insertion Loss 0.1 dB, Power 600 W. Tags: Crossguide Coupler. More details for PEWCP1084N-40 can be seen below.