The MVCO690A from BOWEI Integrated Circuits is a Voltage Controlled Oscillator with Frequency 670 to 710 MHz, Power 1.585 mW, Tuning Sensitivity 14.5 MHz/V, Tuning Voltage 0.5 to 4.5 V, Phase Noise -135 to -115 dBc/Hz. Tags: Surface Mount. More details for MVCO690A can be seen below.