The UIYDCP3315A10 from UIY Inc. is a Directional Coupler with Frequency 8 to 18 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.7 dB, Directivity 10 dB. Tags: Module with Connectors. More details for UIYDCP3315A10 can be seen below.