The FMXC7008 from Fairview Microwave is a Phase Locked Oscillator with Frequency 4 GHz, Output Power 4 to 10 dBm, Reference Power 4 to 10 dBm, Reference Frequency 100 MHz, Supply Voltage 5 to 12 V. Tags: Module with Connectors, PLVCO. More details for FMXC7008 can be seen below.