The CVCO55CL-0370-0450 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 370 to 450 MHz, Power 7.943 mW, Tuning Sensitivity 35 MHz/V, Tuning Voltage 0.5 to 4.5 V, Pulling DC to 3 MHz. Tags: Surface Mount. More details for CVCO55CL-0370-0450 can be seen below.