The RHFR11C1575UB001 is an SMD SAW filter manufactured by Enicom with a size of 1.1x0.9mm and is RoHS compliant. It operates in the UHF frequency range of 400 to 470 MHz and has an insertion loss of less than 2.5 dB, a return loss of over 12 dB, and a bandwidth of 11 MHz for greater filtering precision. This helps reduce interference in transmission signals, allowing for better sound quality and clarity. It also has a remarkable temperature stability making it suitable for a wide range of industrial and commercial applications.