The BDCN-20-13+ from Mini Circuits is a Bi-Directional Coupler with Frequency 360 MHz to 1 GHz, Coupling 17.07 to 25.16 dB, Average Power 16 W, Power 0 to 16 W, Insertion Loss 0.15 to 0.26 dB. Tags: Surface Mount. More details for BDCN-20-13+ can be seen below.