The RMCO30.500-1000Sf from Response Microwave Inc is a Directional Coupler with Frequency 500 to 1000 MHz, Coupling 30 dB, Directivity 15 dB, Average Power 100 W, Insertion Loss 0.4 dB. Tags: Module with Connectors. More details for RMCO30.500-1000Sf can be seen below.