The RS2545AM from Roswin is a Voltage Controlled Oscillator with Frequency 2390 to 2700 MHz, Power 3.981 mW, Tuning Sensitivity 110 MHz/V, Tuning Voltage 0.5 to 4.5 Vdc, Phase Noise -100 dBc/Hz. Tags: Surface Mount. More details for RS2545AM can be seen below.
