The RMCO20.2000-4000Nf from Response Microwave Inc is a Directional Coupler with Frequency 2000 to 4000 MHz, Coupling 20 dB, Directivity 20 dB, Insertion Loss 0.35 dB. Tags: Module with Connectors. More details for RMCO20.2000-4000Nf can be seen below.