The RSO1623AM from Roswin is a Voltage Controlled Oscillator with Frequency 1445 to 1800 MHz, Power 10 mW, Tuning Sensitivity 90 MHz/V, Tuning Voltage 0.25 to 4.75 Vdc, Phase Noise -103 dBc/Hz. Tags: Surface Mount. More details for RSO1623AM can be seen below.