The RHFR11C0942UB001 with SAW Filters SMD,1.1x0.9mm RoHS is an electronic component manufactured by Enicom. It is a radio-frequency (RF) filter that is used in various types of electronic equipment. This component is a surface-mount device (SMD) that measures 1.1x0.9mm and is compliant with the requirements of the RoHS (Restriction of Hazardous Substances) directive. The component employs surface-acoustic wave (SAW) technology which maximizes the allowable radio frequencies while minimizing out-of-band interference. The filter is designed to work over a broad frequency range, up to 6GHz, making it highly versatile. It is typically used in wireless communication, navigation, entertainment, and automotive applications.