The RS2983AM from Roswin is a Voltage Controlled Oscillator with Frequency 2865 to 3100 MHz, Power 1.259 mW, Tuning Sensitivity 90 MHz/V, Tuning Voltage 0.5 to 4.5 Vdc, Phase Noise -100 dBc/Hz. Tags: Surface Mount. More details for RS2983AM can be seen below.