The ECS-TXO-3225MV-122.8-TR from ECS Inc. International is a TCXO with Frequency 12.288 MHz, Supply Voltage 1.6 to 3.6 V, Current 6 mA, Frequency Stability ±2.5 ppm, Operating Temperature -30 to 85 Degree C. Tags: Surface Mount. More details for ECS-TXO-3225MV-122.8-TR can be seen below.