The RSO1262AH from Roswin is a Voltage Controlled Oscillator with Frequency 1217 to 1307 MHz, Power 3.162 mW, Tuning Sensitivity 15 MHz/V, Tuning Voltage 1 to 12 Vdc, Phase Noise -108 dBc/Hz. Tags: Surface Mount. More details for RSO1262AH can be seen below.