The O-CEHXXXXYY-X-XX-X from NEL Frequency Controls is a OCXO with Frequency 8 to 20 MHz, Supply Voltage 4.75 to 12.6 V, Output Power 7 to 10 dBm, Output Load 10KOhm//15pF, Phase Noise -170 to -162 dBc/Hz. Tags: Drop-in, Low G-Sensitivity. More details for O-CEHXXXXYY-X-XX-X can be seen below.