The AM000100CP-20 from AMCOM Communications, Inc. is a Directional Coupler with Frequency 2 MHz to 10 GHz, Coupling 19 to 22 dB, Amplitude Flatness ±0.2 to 1.5 dB, Directivity 9 to 13 dB, Average Power 0.5 W. Tags: Module with Connectors. More details for AM000100CP-20 can be seen below.