The VCO1368OB from Dynamic Engineers is a Voltage Controlled Oscillator with Frequency 1.8 to 1.9 GHz, Tuning Sensitivity 40 MHz/V, Tuning Voltage 0.5 to 4.5 V, Phase Noise dBc/Hz @10kHz -107 dBc/Hz, Supply Voltage 5 V. Tags: Surface Mount. More details for VCO1368OB can be seen below.