The VCO1374OB from Dynamic Engineers is a Voltage Controlled Oscillator with Frequency 1.963 to 2.027 GHz, Power 3dBm, Tuning Sensitivity 36 MHz/V, Tuning Voltage 0.5 to 4.5 V, Phase Noise -107 dBc/Hz. Tags: Surface Mount. More details for VCO1374OB can be seen below.