The XTL-L-SERIES-1210 from RFM Integrated Device is a RF Quartz Crystal with Frequency 32 to 76.8 MHz, Frequency Tolerance ±3 to 50 ppm, Drive Power Level 10 to 300 uW, Load Capacitance 4 PF, Equivalent Series Resistance 50 to 100 Ohms. Tags: Surface Mount. More details for XTL-L-SERIES-1210 can be seen below.