The XTL2002 from RFM Integrated Device is a RF Quartz Crystal with Frequency 48 MHz, Frequency Stability -15 to 13 ppm, Frequency Tolerance -1 to 5 ppm, Drive Power Level 0.01 to 300 uW, Load Capacitance 9.9 pF. Tags: Surface Mount. More details for XTL2002 can be seen below.