The 317.2010-10/S from Microwave Devices Inc. is a Directional Coupler with Frequency 800 MHz to 2.3 GHz, Coupling 10±1.25 dB, Coupling Variation ±1.25 dB, Frequency Sensitivity ±0.50 dB, Directivity 20 dB. Tags: Module with Connectors. More details for 317.2010-10/S can be seen below.