The PE19XC7000 from Pasternack Enterprises Inc is a Phase Locked Oscillator with Frequency 500 MHz, Output Power 5 to 9 dBm, Reference Frequency 10 MHz, Reference Power 4 to 10 dBm, Supply Voltage 5 to 12 V. Tags: Connectorized, PLXO. More details for PE19XC7000 can be seen below.