The RS1443AM from Roswin is a Voltage Controlled Oscillator with Frequency 1400 to 1486 MHz, Power 1 mW, Tuning Sensitivity 33 MHz/V, Tuning Voltage 0.5 to 4.5 Vdc, Phase Noise -107 dBc/Hz. Tags: Surface Mount. More details for RS1443AM can be seen below.