The CVCO55BE-1660-1760 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 1.66 to 1.76 GHz, Power 3.162 mW, Tuning Sensitivity 45 MHz/V, Tuning Voltage 0.3 to 4.7 V, Pulling DC to 3 MHz. Tags: Surface Mount. More details for CVCO55BE-1660-1760 can be seen below.