The ZABDC20-25H75F+ from Mini Circuits is a Bi-Directional Coupler with Frequency 700 MHz to 2.5 GHz, Coupling 18.5 to 22.7 dB, Average Power 25 to 100 W, Power 25 to 100 W, Insertion Loss 0.2 to 0.5 dB. Tags: Module with Connectors. More details for ZABDC20-25H75F+ can be seen below.