... : BPSK, QPSK, 16QAM, 64QAM, OFDM 11b: DQPSK, DBPSK, DSSS, CCKData Security: 64/128-bit WEP Encryption ,WPA, WPA-PSK, WPA2, WPA2 ... .11b mode Supports Ad-Hoc, Infrastructure WLAN network Wireless roaming Data rate auto fall-back under noisy environment or longer range ...