The RS1340AM from Roswin is a Voltage Controlled Oscillator with Frequency 1330 to 1350 MHz, Power 3.162 mW, Tuning Sensitivity 35 MHz/V, Tuning Voltage 0.5 to 5 Vdc, Phase Noise -100 dBc/Hz. Tags: Surface Mount. More details for RS1340AM can be seen below.