The O-C24-XXXXXXXX-X from NEL Frequency Controls is a OCXO with Frequency 80 to 120 MHz, Supply Voltage 4.75 to 12.6 V, Output Load 50 Ohm, Phase Noise -180 to -158 dBc/Hz, Phase Noise 1 kHz -162 to -158 dBc/Hz. Tags: Drop-in, Low G-Sensitivity. More details for O-C24-XXXXXXXX-X can be seen below.