The MV137 from Morion, Inc. is a OCXO with Frequency 98.304 to 100 MHz, Supply Voltage 12 V, Phase Noise -165 to -150 dBc/Hz, Phase Noise 1 kHz -150 to -140 dBc/Hz, Phase Noise 10 kHz -165 to -160 dBc/Hz. Tags: DIP. More details for MV137 can be seen below.