The RSR-211.00-15-S from Raltron is a SAW Resonator with Frequency 211.24 MHz (13 Channel), Centre Frequency 211.24 MHz, Insertion Loss 2.7 dB (Resonant Loss), Capacitance 3 pF, Operating Temperature -10 to 60 Degree C. Tags: Drop In, SAW Resonator. More details for RSR-211.00-15-S can be seen below.