The 570NLF-Frequency-xxxxx from Fox Electronics is a OCXO with Frequency 2.43 to 60 MHz, Supply Voltage 5.0V, Output_Voltage 0.5 to 4.0 V, Load Capacitance 15 pF Typ, Phase Noise 10 kHz -140 dBc/Hz. Tags: Surface Mount. More details for 570NLF-Frequency-xxxxx can be seen below.