RoamAD is a wireless broadband technology company based in Auckland, New Zealand.
Their technology infrastructure (cellular wi-fi) makes it possible to provide cellular (data) capabilities to wi-fi users (with a limit in bandwidth of 330kbps).
According to RoamAD website their product is divided in two areas:
"Innovative radio frequency planning and network design that provides:
Intelligent Network Management Platform that manages and supports:
Network-edge security
Class of service
Committed information rate
Intelligent routing for backhaul and end-users
Seamless roaming
Management of congestion
Centralised management and control of network"