The RSO1950AM from Roswin is a Voltage Controlled Oscillator with Frequency 1850 to 2050 MHz, Power 3.162 mW, Tuning Sensitivity 30 MHz/V, Tuning Voltage 1 to 14 Vdc, Phase Noise -107 dBc/Hz. Tags: Surface Mount. More details for RSO1950AM can be seen below.