The QT307x from Q-Tech Corporation is a TCXO with Frequency 1 to 100 MHz, Supply Voltage 3.3 to 5 V, Tuning Voltage 6.5 V (Applied), Current 30 to 40 mA, Output Power 3 dBm. Tags: Dual In-line, Low Phase Noise. More details for QT307x can be seen below.