rtl8821CU_WiFi_linux_v5.2.5.1_22211.20170517_COEX20170310-1212
Originally obtain from a chinese manufacturer COMFAST(Model: CF-WU910A, http://www.comfast.cn/product/wuxianwangka/item-551.html), if you are seeking support for android or Windows, or macOS, just download this big All-in-one archive file: http://www.comfast.cn/download/qdcx/item-563.html
