The OX740 Series from Advanced Crystal Technology is a OCXO with Frequency 80 to 160 MHz, Supply Voltage 12 V, Tuning Voltage -0.5 to 15 V, Output Load 50.0?, Phase Noise -180 to -148 dBc/Hz. Tags: Module with Connectors, Low G-Sensitivity. More details for OX740 Series can be seen below.