The RMCO10.150Sf from Response Microwave Inc is a Directional Coupler with Frequency 30 to 150 MHz, Coupling 10 +/- 0.5 dB, Coupling Variation 0.5 dB, Directivity 18 dB, Average Power 25 W. Tags: Module with Connectors. More details for RMCO10.150Sf can be seen below.