The VCO2044 from Dynamic Engineers is a Voltage Controlled Oscillator with Frequency 2.044 to 2.069 GHz, Power 1.99 to 3.98 mW, Tuning Sensitivity 14 to 16 MHz/V, Tuning Voltage 0.5 to 4.5 V, Pulling 2 MHz/V. Tags: Surface Mount. More details for VCO2044 can be seen below.