A、 It supports eight different data rates.

B、 It is fully backward compatible with 802.11b

C、 It provides the same network throughput with 802.11b clients， 802.11g clients， or a mixed  environment where both clients are present.

D、 It is only compatibly with the 11 Mbps 802.11b transfer rate.

E、 It has three non-overlapping channels in its channel options.