The CVCO55CL-0575-0675 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 575 to 675 MHz, Power 3.981 mW, Tuning Sensitivity 30 MHz/V, Tuning Voltage 0.3 to 4.7 V, Pulling DC to 1 MHz. Tags: Surface Mount. More details for CVCO55CL-0575-0675 can be seen below.