The C2-A23 from RD Microwaves is a Directional Coupler with Frequency 2.4 to 2.5 GHz, Average Power 250 W, Peak Power 4 kW, Insertion Loss 0.3 dB, Operating Temperature -20 to 55 Degree C. Tags: Module with Connectors. More details for C2-A23 can be seen below.