The CVCO55CC-1640-1700 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 1.64 to 1.7 GHz, Power 6.31 mW, Tuning Sensitivity 10 MHz/V, Tuning Voltage 1 to 10 V, Pulling DC to 2.5 MHz. Tags: Surface Mount. More details for CVCO55CC-1640-1700 can be seen below.