The FMCP1023-6 from Fairview Microwave is a Directional Coupler with Frequency 800 MHz to 2.5 GHz, Coupling 6 dB, Coupling Variation ±0.5 dB, Frequency Sensitivity 0.7 dB, Directivity 20 dB. Tags: Module with Connectors. More details for FMCP1023-6 can be seen below.