The VCO2100-2500 from Dynamic Engineers is a Voltage Controlled Oscillator with Frequency 2.1 to 2.5 GHz, Power 5.01 mW, Tuning Sensitivity 33 MHz/V, Tuning Voltage 0 to 15 V, Phase Noise -106 dBc/Hz. Tags: Surface Mount, Low Phase Noise SMD Voltage Controlled Oscillator (VCO) from 2.1 to 2.5 GHz. More details for VCO2100-2500 can be seen below.