The HEM402MB-L from BOWEI Integrated Circuits is a Voltage Controlled Oscillator with Frequency 580 to 680 MHz, Power 6.31 mW, Tuning Sensitivity 6 to 10 MHz/V, Tuning Voltage 1 to 15 V, Phase Noise -130 to -108 dBc/Hz. More details for HEM402MB-L can be seen below.