The RK410 from Rakon is a OCXO with Frequency 5 to 10 MHz, Supply Voltage 12 to 15 V, Output Power 0 to 10 dBm, Resistance 50 Ohms, Phase Noise -146 to -145 dBc/Hz @ 1 KHz, -146 to -145 dBc/Hz @ 10 KHz. Tags: Module with Connectors. More details for RK410 can be seen below.