The UIYDCP13315A20 from UIY Inc. is a Directional Coupler with Frequency 500 MHz to 2.5 GHz, Coupling 20 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.7 dB, Directivity 18 dB. Tags: Module with Connectors. More details for UIYDCP13315A20 can be seen below.