The Lite-On LTL-4221N is a mini-sized form factor, 6.7mm profile, 1T1R (1 Transmitter/1 Receiver) Wireless Local Area Network (WLAN) module. It is designed to support wireless communication standards IEEE 802.11b/g/n at data rates up to 300Mbps. The module supports a number of authentication methods, including WEP/WPA/WPA2, 802.11i and PSK/EAP-TLS/TTLS/PEAP/FAST. It also supports hardware-accelerated security encryption and decryption for WEP, TKIP and AES, ensuring data is securely transmitted. The module also supports high speed USB 2.0/3.0 and mini PCI-e host interfaces for connection to devices.