The RMCO10.30-150Nf from Response Microwave Inc is a Directional Coupler with Frequency 30 to 150 MHz, Coupling 10 +/- 0.5 dB, Directivity 18 dB, Insertion Loss 1.6 dB. Tags: Module with Connectors. More details for RMCO10.30-150Nf can be seen below.