The ABLS7M from Abracon LLC is a RF Quartz Crystal with Frequency 12 to 40 MHz, Frequency Stability ±10 ppm, ±15 ppm, ±20 ppm, ±25 ppm, ±30 ppm, ±35 ppm, ±50 ppm, ±100 ppm, Frequency Tolerance ±10 ppm, ±15 ppm, ±20 ppm, ±25 ppm, ±30 ppm, ± 50 ppm, Drive Power Level 50 to 100 uW, Load Capacitance 18 pF. Tags: Surface Mount. More details for ABLS7M can be seen below.