The ROS-355-219+ from Mini Circuits is a Voltage Controlled Oscillator with Frequency 318 to 355 MHz, Power 3.162 mW, Tuning Sensitivity 20 MHz/V, Tuning Voltage 0.5 to 5 V, Pulling 0.2 MHz. Tags: Surface Mount. More details for ROS-355-219+ can be seen below.