The PLO-5300 from RF Bay is a Phase Locked Oscillator with Frequency 5.15 to 5.4 GHz, Output Power 13 dBm, Reference Frequency 10 MHz, Reference Power 3 to 17 dBm, Supply Voltage 11 to 15 V. Tags: Module with Connectors, PLXO. More details for PLO-5300 can be seen below.