The 317.2034-30/S from Microwave Devices Inc. is a Directional Coupler with Frequency 1.7 to 2.4 GHz, Coupling 30±1.00 dB, Coupling Variation ±1.00 dB, Frequency Sensitivity ±0.50 dB, Directivity 22 dB. Tags: Module with Connectors. More details for 317.2034-30/S can be seen below.