The ECS-192.0-8-36-RWN-TR from ECS Inc. International is a RF Quartz Crystal with Frequency 19.2 MHz, Frequency Stability ±15 ppm, Frequency Tolerance ±15 ppm, Load Capacitance 8 pF, Equivalent Series Resistance 80. Tags: Surface Mount. More details for ECS-192.0-8-36-RWN-TR can be seen below.