The CVCO55CC-1750-1810 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 1.75 to 1.81 GHz, Power 6.31 mW, Tuning Sensitivity 12 MHz/V, Tuning Voltage 1 to 10 V, Pulling DC to 3 MHz. Tags: Surface Mount. More details for CVCO55CC-1750-1810 can be seen below.