The CMID-D01-20 from Quantic Corry is a Directional Coupler with Frequency 700 MHz to 1.1 GHz, Coupling 20 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.5 dB, Insertion Loss 0.4 dB. Tags: Module with Connectors. More details for CMID-D01-20 can be seen below.