The V-9900 from KVG Quartz Crystal Technology GmbH is a VCXO with Frequency 1.544 to 77.76 MHz, Frequency Stability ±25 to ±70 ppm, Temperature Stability ± 25, 50, 70 ppm, Supply Voltage 3.3 to 5 V. Tags: Surface Mount. More details for V-9900 can be seen below.