The VCO1212W-700-800-A from Dynamic Engineers is a Voltage Controlled Oscillator with Frequency 700 to 800 MHz, Power 1 mW, Tuning Sensitivity 45 to 50 MHz/V, Tuning Voltage 0.5 to 4.5 V, Pulling 4 MHz. Tags: Surface Mount. More details for VCO1212W-700-800-A can be seen below.