The RK409 from Rakon is a OCXO with Frequency 10 to 40 MHz, Supply Voltage 12 to 15 V, Output Power 2 to 10 dBm, Resistance 50 Ohms, Phase Noise -150 dBc/Hz @ 1 KHz, -155 dBc/Hz @ 10 KHz. Tags: Thru-Hole, Module with Connectors. More details for RK409 can be seen below.