The 317.2032-20/S from Microwave Devices Inc. is a Directional Coupler with Frequency 225 to 400 MHz, Coupling 20±1.00 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.75 dB, Directivity 22 dB. Tags: Module with Connectors. More details for 317.2032-20/S can be seen below.