Tp-Link TL-WN821N

USB Adapter / USB 2.0 / 2.400-2.4835GHz / 1 x USB / Certification : CE, FCC, RoHS / IEEE 802.11n, IEEE 802.11g, IEEE 802.11b / Modulation Technology: DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM / Transmit Power : <20dBm(EIRP) / 69 x 21 x 9.5mm / / WEP, WPA-PSK/WPA2-PSK