The GDQF Series from Euroquartz Ltd is a VCXO with Frequency 10 MHz to 1.45 GHz, Frequency Stability ±50 ppm, Supply Voltage 2.5 to 3.3 V, Tuning Voltage 0.2 to 3 V, Duty Cycle 50%±2%. Tags: Surface Mount. More details for GDQF Series can be seen below.