The ECS-PEC25-1555.2-B-N from ECS Inc. International is a General Crystal Oscillator with Frequency 155.52 MHz, Supply Voltage 2.5 V, Current 90 mA, Frequency Stability ±50 ppm, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount. More details for ECS-PEC25-1555.2-B-N can be seen below.