WiFi Receiver and transmitter

"Specifications:
Wireless standards: IEEE 802.11n(draft), IEEE 802.11g, IEEE 802.11b
Host Interface: Hight speed USB 2.0/1.1
Data rate:
802.11n up to 300M (downlink) and 300M (uplink);
802.11g 54/48/36/24/18/12/9/6 Mbps auto fallback;
802.11b 11/5.5/2/1 Mbps auto fallback.
Radio channel: 1-14 channels
Modulation: 11n BPSK QPSK 16QAM 64QAM with OFDM; 11g BPSK QPSK 16QAM
64QAM OFDM; 11b DQPSK DBPSK DSSS CCK
Data security: 64/128-bit WEP Encryption WPA, WPA-PSK, WPA2-PSK, TKIP/AES
Operating system: for Windows XP 32/64-bit, for Vista 32/64-bit,7 32/64-bit ,for Linux, for MAC OS X
Color: black
Antenna length: 15cm"