It is an embedded wifi module supplied by 3.3V voltage with both Wi-Fi and BT4.2
It is based on Realtek RTL8723DU chipset, with USB interface for WiFi and Bluetooth
It is contains 2.4GHz WLAN IEEE 802.11 b/g/n MAC/Baseband and Bluetooth 4.2(Supportable with BLE)
It is packaged in an small form factor that facilitates integration into size- and power-sensitive applications.