The CVCO55CC-2580-2650 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 2.58 to 2.65 GHz, Power 3.162 mW, Tuning Sensitivity 26 MHz/V, Tuning Voltage 0.5 to 4.5 V, Pulling DC to 1.5 MHz. Tags: Surface Mount. More details for CVCO55CC-2580-2650 can be seen below.