The OX-407 from Vectron International is a OCXO with Frequency 10 to 50 MHz, Supply Voltage 3.15 to 5.25 V, Load Capacitance 15 pF, Output Load 50 Ohm, Phase Noise -150 to -84 dBc/Hz. Tags: Drop-In, Low G-Sensitivity. More details for OX-407 can be seen below.