The SR869B from SAW Components is a SAW Resonator with Frequency 868.8 to 869.1 MHz, Centre Frequency 868.95 MHz, Insertion Loss 1 to 1.7 dB, Capacitance 2.7 pF, Operating Temperature -40 to 125 Degree C. Tags: Surface Mount, SAW Resonator. More details for SR869B can be seen below.