The ZGBDC35-93HP+ from Mini Circuits is a Bi-Directional Coupler with Frequency 900 MHz to 9 GHz, Coupling 31 to 37.5 dB, Average Power 250 W, Power 0 to 250 W, Insertion Loss 0.03 to 0.3 dB. Tags: Module with Connectors. More details for ZGBDC35-93HP+ can be seen below.