CL-8821CU-V2 is a WLAN 11AC and Bluetooth combo dongle, provides a single USB interface to host, which fully supports the features and functional compliance of IEEE 802.11ac/a/b/g/n standards, It supports up to 433Mbps for IEEE 802.11ac MIMO-OFDM, CL-8821CU-V2 Bluetooth controller complies with Bluetooth core specification V4.2, and supports dual mode(BR/EDR+AMP+low Energy Controllers). It is backward compatible with previous versions including V2.1+EDR and v3.0+HS.Both BR/EDR and LE can operate simultaneously.