The 685-124180-030 from M2 Global Technology is a Directional Coupler with Frequency 12.4 to 18 GHz, Coupling 30 dB, Coupling Variation ±1.00 dB, Frequency Sensitivity ±0.50 dB, Directivity 15 dB. Tags: Module with Connectors. More details for 685-124180-030 can be seen below.