The V580ME13-LF from Z-COMM is a Voltage Controlled Oscillator with Frequency 830 to 970 MHz, Power 3.162 mW, Tuning Sensitivity 51 MHz/V, Tuning Voltage 0.5 to 4.5 V, Pulling 1 MHz. Tags: Surface Mount. More details for V580ME13-LF can be seen below.