The QTV715 from Q-Tech Corporation is a VCXO with Frequency 10 to 350 MHz, Frequency Stability ±0.3 ppm, Temperature Stability ±25 to ±65 ppm, Supply Voltage 4.75 to 15.75 V, Tuning Voltage 0.5 to 6 V. Tags: Flatpack. More details for QTV715 can be seen below.