The CVCO55BE-1440-1670 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 1.44 to 1.67 GHz, Power 6.31 mW, Tuning Sensitivity 99 MHz/V, Tuning Voltage 0.5 to 4.5 V, Pulling DC to 10 MHz. Tags: Surface Mount. More details for CVCO55BE-1440-1670 can be seen below.