The MVCO1878 from BOWEI Integrated Circuits is a Voltage Controlled Oscillator with Frequency 1868 to 1888 MHz, Power 1.259 mW, Tuning Sensitivity 10 MHz/V, Tuning Voltage 0.5 to 4.5 V, Phase Noise -128 to -108 dBc/Hz. Tags: Surface Mount. More details for MVCO1878 can be seen below.