The RS2190AM from Roswin is a Voltage Controlled Oscillator with Frequency 2156 to 2224 MHz, Power 1.995 mW, Tuning Sensitivity 36 MHz/V, Tuning Voltage 0.5 to 4.5 Vdc, Phase Noise -105 dBc/Hz. Tags: Surface Mount. More details for RS2190AM can be seen below.