Easy:
- Both radios in MSM466 can support simultaneously 5GHz;
- MSM466 Antennas are external, MSM460 are internal.
Key features in common:
- Dual 802.11n radios;
- 450 Mbps Max performance per radio;
- Number of transmitters/receivers: 3×3
- 3 Spatial Streams;
- Lifetime warranty.
Cheers.
Disclamer: note that these are my own notes. HP is not responsable for any of the content here provided.