The CMID-A202-20 A0 from Quantic Corry is a Directional Coupler with Frequency 1 to 4 GHz, Coupling 20 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.6 dB, Insertion Loss 0.4 dB. Tags: Module with Connectors. More details for CMID-A202-20 A0 can be seen below.