The HE487ZK-L from BOWEI Integrated Circuits is a Voltage Controlled Oscillator with Frequency 3980 to 4020 MHz, Power 6.31 mW, Tuning Sensitivity 30 to 60 MHz/V, Tuning Voltage 0.5 to 4.5 V, Phase Noise -116 to -95 dBc/Hz. More details for HE487ZK-L can be seen below.
