If you use multiple Pakedge WAP's, configure them for their WDS service, and run them on the same radio channels, they will pass off clients between them without the client knowing it. In theory (I have not tried this) the WAPS know when a client has roamed to another "zone" and the WAP's pass the client between them. The Client just sees the radio at the same frequency still working. Call Pakedge and discuss it with them