The ECX-L23CM-155.520 from ECS Inc. International is a General Crystal Oscillator with Frequency 155.52 MHz, Supply Voltage 2.5 V, Current 20 mA, Frequency Stability ±25 ppm, Operating Temperature -20 to 70 Degree C. Tags: Surface Mount. More details for ECX-L23CM-155.520 can be seen below.