The CVCO55CC-4500-4500 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 4500 MHz, Power 3.981 mW, Tuning Sensitivity 12 MHz/V, Tuning Voltage 0.3 to 4.7 V, Pulling 1 to 2 MHz. Tags: Surface Mount. More details for CVCO55CC-4500-4500 can be seen below.