Here are the specific features of the mini PCIe WiFi 5 + Bluetooth 4.2 RTL8821CE: Standard WiFi: Supports WiFi 802.11ac (WiFi 5), offering data transfer speeds of up to 867 Mbps on the 5 GHz band and up to 300 Mbps on the 2.4 GHz band. This allows a fast and stable internet connection. Bluetooth: Supports Bluetooth 4.2, allowing a reliable wireless connection with Bluetooth devices such as headphones, speakers, keyboards and mouse. Chipset: Use the Realtek RTL8821CE chipset, which delivers reliable performance and good compatibility with a wide range of devices and operating systems. Interface: It connects to the computer via a mini PCIe interface, a reduced version of the traditional PCIe slot (Peripheral Component Interconnect Express) which is commonly used in laptops and compact devices. Compatibility: It is compatible with a variety of laptops, notebooks and All-in-One devices that support PCIe mini cards. antennas: It can be equipped with external antennas to improve signal quality and width of the wireless field, if necessary. Driver: It is supported by drivers available for various operating systems, including Windows and some Linux distributions. Energy consumption: It has low energy consumption, optimizing the energy efficiency of the device in which it is installed.