The RSO3475AH from Roswin is a Voltage Controlled Oscillator with Frequency 3475 MHz, Power 1.995 mW, Tuning Sensitivity 13 MHz/V, Tuning Voltage 0.5 to 4.5 Vdc, Phase Noise -108 dBc/Hz. Tags: Surface Mount. More details for RSO3475AH can be seen below.