The X4 Type from Taitien is a Micro Quartz Crystal that operates at 32, 40, 48, and 76.8 MHz. It has a frequency stability of ±10 ppm and an aging rate of ±3 ppm/year. This crystal has a peak driving power of 200 µW and a shunt capacitance of less than 3.0 pF. It is available in an ultra-thin ceramic package that measures 1.20 x 1.00 x 0.30 mm and is ideal for use in smart wearables and smartphones. This quartz crystal is suitable for use in 5G, IoT, advanced medical devices, Bluetooth, mobile phones, wireless LAN, office automation, and audio/video applications.