The CVCO55BE-1750-1810 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 1.75 to 1.81 GHz, Power 3.981 mW, Tuning Sensitivity 20 to 35 MHz/V, Tuning Voltage 0.5 to 4.5 V, Pulling 11 to 13 MHz. Tags: Surface Mount. More details for CVCO55BE-1750-1810 can be seen below.