For Telcos or large hotspot operators, WHG315 brings in a convenient and economical way to deploy distributed hotspot services. While most of the operators prefer to use external RADIUS servers as authentication database, WHG315 in this architecture can play the role of a central RADIUS-NAS. For quick deployment, WHG315 supports two authentication methods: UAM and 802.1X. It is capable of supporting customized web UAM pages uploaded locally as well as external web UAM pages residing on external web servers. Furthermore, the concept of Service Zones of WHG315 allows one Controller to manage multiple franchised hotspots simultaneously.