The O-LU25H-XXYZXX-X-X-X-X from NEL Frequency Controls is a OCXO with Frequency 8 to 13 MHz, Supply Voltage 4.75 to 5.25 V, Output Power 10 to 13 dBm, Output Load 10KOhm//15pF, Phase Noise -172 to -112 dBc/Hz. Tags: Drop-in, Low G-Sensitivity. More details for O-LU25H-XXYZXX-X-X-X-X can be seen below.