The O-CEH-XXYZXX-X-X-HS-X from NEL Frequency Controls is a OCXO with Frequency 8 to 13 MHz, Supply Voltage 4.75 to 12.6 V, Output Power 10 to 13 dBm, Output Load 50 Ohm, Phase Noise -180 to -170 dBc/Hz. Tags: Drop-in, Low G-Sensitivity. More details for O-CEH-XXYZXX-X-X-HS-X can be seen below.