The XBO8S from Xtal Ball is a OCXO with Frequency 8 to 150 MHz, Phase Noise -173 to -110 dBc/Hz, Warm up Time 45 s, Frequency Stability 3 ppb, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Low G-Sensitivity. More details for XBO8S can be seen below.