The HEM404ZD-L from BOWEI Integrated Circuits is a Voltage Controlled Oscillator with Frequency 1800 to 2200 MHz, Power 10 mW, Tuning Sensitivity 30 to 60 MHz/V, Tuning Voltage 2 to 13 V, Phase Noise -123 to -102 dBc/Hz. More details for HEM404ZD-L can be seen below.