The ZABDC20-252H+ from Mini Circuits is a Bi-Directional Coupler with Frequency 800 MHz to 2.5 GHz, Coupling 19.54 to 23.88 dB, Average Power 5100 W, Power 50 to 100 W, Insertion Loss 0.11 to 0.21 dB. Tags: Module with Connectors. More details for ZABDC20-252H+ can be seen below.