The 685-185195-030 from M2 Global Technology is a Directional Coupler with Frequency 18.5 to 19.5 GHz, Coupling 30 dB, Coupling Variation ±1.25 dB, Frequency Sensitivity ±0.80 dB, Directivity 10 dB. Tags: Module with Connectors. More details for 685-185195-030 can be seen below.