The KN-W520P provides multi security protection. Complying with 64/128bit WEP Encryption, WPA, WPA2, IEEE802.1X, TKIP and AES, the KN-W520P has super-safety data communication ability, the KN-W520P effective security to protect the wireless network from intruders. With the external antenna, the KN-W520P can adapt to different operational environments and let the user connect to the Wireless network easily. Supports Seamless Roaming and is compatible with other 11b, 11g WLAN equipment