The FMVC31018 from Fairview Microwave is a Voltage Controlled Oscillator with Frequency 850 to 890 MHz, Power 6 to 10 dBm, Tuning Sensitivity 40 MHz/V, Tuning Voltage 5 V, Pulling 5 MHz. Tags: Module with Connectors. More details for FMVC31018 can be seen below.