What distinguishes an HP MSM466 AP from an HP MSM460 AP?

A.
The MSM466 radios support three spatial streams, while the MSM460 radios support two
spatial streams.

B.
All radios on an MSM466 support 802.11n, while only one radio on an MSM460 supports
802.11n and the others support 802.11 b/g.

C.
An MSM466 AP requires external antennas, while an MSM460 AP uses internal antennas.

D.
The MSM466 provides three radios that support 802.11n, while the MSM460 provides two
radios that support 802.11n.