The CVCO55CC-2770-2920 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 2.77 to 2.92 GHz, Power 5.012 mW, Tuning Sensitivity 50 MHz/V, Tuning Voltage 0.3 to 4.7 V, Pulling 0.5 to 1 MHz. Tags: Surface Mount. More details for CVCO55CC-2770-2920 can be seen below.