The SCD-0230431022-SF-R1 from ERAVANT is a Directional Coupler with Frequency 2 to 4 GHz, Coupling 10 dB, Coupling Variation ±0.7 dB, Directivity 22 dB, Insertion Loss 0.2 dB. Tags: Module with Connectors. More details for SCD-0230431022-SF-R1 can be seen below.