The SCS-1522D from Synergy Microwave Corporation is a Bi-Directional Coupler with Frequency 1.5 to 2.2 GHz, Frequency Sensitivity 0.3 dB, Coupling 20 dB, Power 100 W, Insertion Loss 0.25 dB. Tags: Surface Mount. More details for SCS-1522D can be seen below.