TP-Link TL-WN620G Wireless G Network Adapter - 108Mbps, 802.11g, USB 2.0: Complying with IEEE 802.11g, the TL-WN620G adopts TP-LINK Super and Extended Range WLAN transmission technologies, resulting in transmission speeds of up to 108M. The TL-WN620G provides multi security protection. Complying with 64/128/152-bit WEP Encryption, WPA/WPA2, IEEE 802.1X, TKIP and AES, the TL-WN620G has super-safety data communication abilities. With its strong firewall, the TL-WN620G features effective security to protect the wireless network from intruders. With the internal antenna, the TL-WN620G can fit different operational environments and let the user connect to the Wireless network easily. The TL-WN620G also supports Seamless Roaming and is compatible with other 11b, 11g WLAN equipments.