The CVCO55BE-2550-2740 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 2.55 to 2.74 GHz, Power 6.31 mW, Tuning Sensitivity 90 MHz/V, Tuning Voltage 0.3 to 4.7 V, Pulling 4.5 to 9 MHz. Tags: Surface Mount. More details for CVCO55BE-2550-2740 can be seen below.