The 317.2204-XN from Microwave Devices Inc. is a Directional Coupler with Frequency 1 to 8 GHz, Coupling 30 to 50 Db, Coupling Variation ±1.2 dB, Frequency Sensitivity ±0.90 dB, Directivity 20 dB. Tags: Module with Connectors. More details for 317.2204-XN can be seen below.