The C4-10-001-N-50W from I.F. Engineering is a Directional Coupler with Frequency 0.5 to 32 MHz, Coupling 10 dB, Directivity 22 dB, Average Power 2 W, Insertion Loss 0.75 dB. Tags: Module with Connectors. More details for C4-10-001-N-50W can be seen below.