The VCO300-345 from Dynamic Engineers is a Voltage Controlled Oscillator with Frequency 300 to 345 MHz, Power 3 dBm, Tuning Sensitivity 18 MHz/V, Tuning Voltage 0.5 to 4.5 Vdc, Phase Noise -100 dBc/Hz @ 10 KHz. Tags: Surface Mount. More details for VCO300-345 can be seen below.