The 317.2208-XN from Microwave Devices Inc. is a Directional Coupler with Frequency 2 to 8 GHz, Coupling 30 to 50 Db, Coupling Variation ±1.0 dB, Frequency Sensitivity ±0.60 dB, Directivity 16 dB. Tags: Module with Connectors. More details for 317.2208-XN can be seen below.