The CVCO55CL-0305-0345 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 305 to 345 MHz, Power 10 mW, Tuning Sensitivity 21 MHz/V, Tuning Voltage 0.3 to 4.7 V, Pulling DC to 1 MHz. Tags: Surface Mount. More details for CVCO55CL-0305-0345 can be seen below.