The ROS-3570-319+ from Mini Circuits is a Voltage Controlled Oscillator with Frequency 3230 to 3570 MHz, Power 3.981 mW, Tuning Sensitivity 27 MHz/V, Tuning Voltage 0.5 to 16 V, Pulling 6.5 MHz. Tags: Surface Mount. More details for ROS-3570-319+ can be seen below.