The 317.2000-10/NF from Microwave Devices Inc. is a Directional Coupler with Frequency 225 to 400 MHz, Coupling 10±1.00 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.75 dB, Directivity 19 dB. Tags: Module with Connectors. More details for 317.2000-10/NF can be seen below.