This product is either discontinued or we cannot get that from suppliers.
TP-Link TL-WN822N 300Mbps Wireless N USB Adapter, WPS Push Button/Software, Mini USB 2.0, Wireless Standards IEEE 802.11n, IEEE 802.11g, IEEE 802.11b, Frequency 2.400-2.4835GHz, Wireless Ad-Hoc / Infrastructure mode, Support 64/128 bit WEP, WPA-PSK/WPA2-PSK, Transmit Power