The BDCH-10-63 from Mini Circuits is a Bi-Directional Coupler with Frequency 2 to 6 GHz, Coupling 10±1 dB, Coupling Variation ±1.50 dB, Power 100 to 180 W, Insertion Loss 0.1 to 0.25 dB. Tags: Surface Mount. More details for BDCH-10-63 can be seen below.