The VCO1660-1680 from Dynamic Engineers is a Voltage Controlled Oscillator with Frequency 1.66 to 1.68 GHz, Power 1 mW, Tuning Sensitivity 30 MHz/V, Tuning Voltage 0.5 to 4.5 V, Phase Noise -109 dBc/Hz. Tags: Surface Mount. More details for VCO1660-1680 can be seen below.