The ZABDC20-322H+ from Mini Circuits is a Bi-Directional Coupler with Frequency 1.7 to 3.2 GHz, Coupling 19.26 to 21.08 dB, Average Power 50 W, Power 0 to 50 W, Insertion Loss 0.22 to 0.24 dB. Tags: Module with Connectors. More details for ZABDC20-322H+ can be seen below.