The 317.2023-10/S from Microwave Devices Inc. is a Directional Coupler with Frequency 2 to 4 GHz, Coupling 10±1.25 dB, Coupling Variation ±1.25 dB, Frequency Sensitivity ±0.75 dB, Directivity 22 dB. Tags: Module with Connectors. More details for 317.2023-10/S can be seen below.