The PEWCP1081-40 from Pasternack Enterprises Inc is a Waveguide Coupler with Frequency 3.22 to 4.9 GHz, Coupling 40 dB, Directivity 18 dB, Insertion Loss 0.1 dB, Power 1.8 kW. Tags: Crossguide Coupler. More details for PEWCP1081-40 can be seen below.