The HES711A from BOWEI Integrated Circuits is a Voltage Controlled Oscillator with Frequency 350 to 390 MHz, Power 10 mW, Tuning Sensitivity 4 to 6 MHz/V, Tuning Voltage 1 to 11 V, Phase Noise -138 to -118 dBc/Hz. Tags: Surface Mount. More details for HES711A can be seen below.