The OS364-13 from RFX is a OCXO with Frequency 1 MHz to 1 GHz, Supply Voltage 12 V, Phase Noise -170 to -155 dBc/Hz, Phase Noise 1 kHz -155 dBc/Hz, Phase Noise 10 kHz -170 dBc/Hz. Tags: Module with Connectors. More details for OS364-13 can be seen below.