The C1-C98-30X from RD Microwaves is a Directional Coupler with Frequency 0.698 to 4.2 GHz, Coupling 30 dB, Directivity 16 to 20 dB, Average Power 5 to 200 W, Insertion Loss 0.3 to 0.4 dB. Tags: Module with Connectors. More details for C1-C98-30X can be seen below.