The BDCA1-6-22+ from Mini Circuits is a Bi-Directional Coupler with Frequency 900 MHz to 2.2 GHz, Coupling 6 to 7.97 dB, Average Power 37 to 57 W, Power 37 to 57 W, Insertion Loss 1.13 to 1.75 dB. Tags: Surface Mount. More details for BDCA1-6-22+ can be seen below.