The BDCA1-6-11+ from Mini Circuits is a Bi-Directional Coupler with Frequency 600 MHz to 1.1 GHz, Coupling 5.92 to 6.69 dB, Average Power 38 to 50 W, Power 38 to 50 W, Insertion Loss 1.40 to 1.75 dB. Tags: Surface Mount. More details for BDCA1-6-11+ can be seen below.