The O-CMR-0YZXX-XX-X from NEL Frequency Controls is a OCXO with Frequency 10 to 1000 MHz, Supply Voltage -1 to 11 V, Phase Noise -180 to -105 dBc/Hz, Frequency Stability ±10 ppb, Stability ±10 ppb. Tags: Surface Mount, Low G-Sensitivity. More details for O-CMR-0YZXX-XX-X can be seen below.