The RSR-85.00-80-B from Raltron is a SAW Resonator with Frequency 85.24 MHz (4 Channel) / 93.24 MHz (5 Channel), Centre Frequency 89.24 MHz, Insertion Loss 3 dB (Resonant Loss), Capacitance 4 to 4.2 pF, Operating Temperature -10 to 60 Degree C. Tags: Drop In, SAW Resonator. More details for RSR-85.00-80-B can be seen below.