The RSR-61.00-80-S from Raltron is a SAW Resonator with Frequency 61.24 MHz (3 Channel) / 67.24 MHz (4 Channel), Centre Frequency 64.24 MHz, Insertion Loss 5 dB (Resonant Loss), Capacitance 4.2 to 4.4 pF, Operating Temperature -10 to 60 Degree C. Tags: Drop In, SAW Resonator. More details for RSR-61.00-80-S can be seen below.