This is a SAW (Surface Acoustic Wave) filter manufactured by Murata, with a part number of SAYRV836MBA0F0AR00, designed for use in applications such as mobile phones, radio and television, and audio systems. It is a miniature surface mount device (SMD) with a RoHS-compliant lead free finish, and can operate in a wide frequency range from 836 to 960MHz, with a center frequency of 896MHz. It features low insertion loss, high out of band rejection, and excellent port-to-port isolation, making it an ideal choice for a variety of filtering applications.