Hi Hector,

Remote access points in a Hybrid Remote-Edge Access Point (REAP) architecture expand from three to eight. With Cisco Unified Wireless Network Software Release 4.0.194.0, Hybrid REAP capabilities have been expanded to support up to eight lightweight access points.

Hybrid Remote Edge Access Point Support for 8 Access Points

From this good doc;

http://www.cisco.com/en/US/products/ps7206/prod_bulletin0900aecd805cff22.html

Hope this helps!

Rob