The SCS1701650-20 from Synergy Microwave Corporation is a Bi-Directional Coupler with Frequency 1.7 to 15 GHz, Coupling 21 dB, Coupling Variation ±2.5 dB (Flatness), Power 25 W, Insertion Loss 1.3 dB. Tags: Surface Mount. More details for SCS1701650-20 can be seen below.