The VCO1212BQ-5500MHz-6000MHz-A from Dynamic Engineers is a Voltage Controlled Oscillator with Frequency 5.5 to 6 GHz, Power -2 to 4 dBm, Tuning Sensitivity 80 MHz/V, Tuning Voltage 0 to 10 V, Pulling 10 MHz. Tags: Surface Mount. More details for VCO1212BQ-5500MHz-6000MHz-A can be seen below.