The VCO1212BQ-1850MHz-2050MHz-A from Dynamic Engineers is a Voltage Controlled Oscillator with Frequency 1850 to 2050 MHz, Power 2 to 5 dBm, Tuning Sensitivity 22 to 25 MHz/V, Tuning Voltage 1 to 14 V, Pulling 3 MHz. Tags: Surface Mount. More details for VCO1212BQ-1850MHz-2050MHz-A can be seen below.