1. Product Spec. Chip Set Atheros AR9271 Operation Voltage 3.3V Network Standards IEEE802.11b, IEEE802.11g and IEEE802.11n Modulation Techniques BPSK, QPSK, CCK, DBPSK, DQPSK, 16QAM, 64QAM Modulation Technology OFDM, CCK, DSSS, MIMO(1T1R) Data Rate 802.11b: 11, 5.5, 2, 1 Mbps 802.11g: 54, 48, 36, 24, 18, 12, 9, 6Mbps 802.11n: HT20: 65, 58.5, 52, 39, 26, 19.5, 13, 6.5Mbps(MCS7-0) HT40: 135, 121.5, 108, 81, 54, 40.5, 27, 13.