The CVCO55BE-1693-1850 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 1.693 to 1.85 GHz, Power 0.631 mW, Tuning Sensitivity 25 MHz/V, Tuning Voltage 0.5 to 15 V, Pulling DC to 1 MHz. Tags: Surface Mount. More details for CVCO55BE-1693-1850 can be seen below.