The PLO-3500N from RF Bay is a Phase Locked Oscillator with Frequency 3.496 to 3.504 GHz, Output Power 17 to 18 dBm, Reference Frequency 10 MHz, Reference Power -7 to 17 dBm, Supply Voltage 11 to 15 V. Tags: Module with Connectors, PLXO. More details for PLO-3500N can be seen below.