RF1211B Datasheet | RF Monolithics

.. ® RF1211B 315.0 MHz SAW Filter - - - - - Ideal Front-End Filter for Domestic Wireless Receivers Low-Loss, Coupled-Resonator Quartz Design Simple External Impedance Matching Surface-Mount Ceramic Case with 52 mm2 Footprint plies with Directive 2002/95/EC (RoHS) The RF1211B is a low-loss, pact, and economical surface-acoustic-wave (SAW) filter designed to provide front-end selectivity in 315.0 MHz receivers. Receiver designs using this filter include superhet with 10.7 MHz or 500 kHz IF, direct conversion and superregen. Typical applications of these receivers are wireless remote-control and security devices (especially for automotive keyless entry) operating...