The VCO1319WB from Dynamic Engineers is a Voltage Controlled Oscillator with Frequency 400 to 800 MHz, Power 11dBm, Tuning Sensitivity 32 to 52 MHz/V, Tuning Voltage 0.5 to 11 V, Phase Noise dBc/Hz @10kHz -105 dBc/Hz. Tags: Surface Mount. More details for VCO1319WB can be seen below.