The CR101B/U11M05920 part is a Wi2Wi mini PCIe adapter designed for use in embedded and industrial applications requiring cellular connectivity. The product is designed to provide high speed 4G/3G/2G cellular communication in a compact form factor. It supports popular cellular standards such as EDGE, UMTS, HSPA+, GSM, GPRS and LTE. Additionally, this Wi2Wi part features a host of advanced features such as GPS, GNSS, SIM card slot, and an internal antenna for improved signal reception. This mini PCIe adapter is also compatible with 802.11b/g/n Wifi and Bluetooth 4.0 technologies for added wireless connectivity.