The D-Link DWC-2000 Wireless Controller offers flexible optional features: you can purchase license packs to upgrade the DWC-2000‹¨«s capabilities. D-Link offers a range of DWC-2000 license pack upgrades to increase the number of manageable access points: 32, 64 and 128 AP upgrades. By default, the DWC-2000 manages up to 64 access points, but this can be expanded to 256 access points per controller or 1024 per cluster.