The HE484B-L from BOWEI Integrated Circuits is a Voltage Controlled Oscillator with Frequency 1000 to 1300 MHz, Power 10 mW, Tuning Sensitivity 30 to 60 MHz/V, Tuning Voltage 2 to 11 V, Phase Noise -125 to -105 dBc/Hz. More details for HE484B-L can be seen below.