The MVCO490 from BOWEI Integrated Circuits is a Voltage Controlled Oscillator with Frequency 470 to 515 MHz, Power 1.585 mW, Tuning Sensitivity 15 MHz/V, Tuning Voltage 0.5 to 4.5 V, Phase Noise -133 to -113 dBc/Hz. Tags: Surface Mount. More details for MVCO490 can be seen below.