The QT816 from Q-Tech Corporation is a TCXO with Frequency 10 to 350 MHz, Supply Voltage 4.75 to 15.75 V, Current 30 to 55 mA, Output Power 0 to 7 dBm, Output Load 47.5 to 52.5 Ohms. Tags: Surface Mount, Low Phase Noise. More details for QT816 can be seen below.