CM-8821CU is a WLAN 11ac and Bluetooth combo module, which fully supports the features and functional compliance of IEEE 802.11ac/b/g/n standards, Bluetooth v2.1, v3.0 and v4.2 standards. It supports up to 433Mbps WLAN network connections and Bluetooth protocol stack (LM, LL and LE), Bluetooth baseband and modem.