The 317.2013-10/S from Microwave Devices Inc. is a Directional Coupler with Frequency 2.1 to 2.7 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 317.2013-10/S can be seen below.