D-Link Wireless Controller 2000 - Manages 256 APs per controller, starts with 64AP license included - Manages up to 4 controllers in one peer group to give 1024 APs. - Max 8 controllers per peer group (including redundant controllers) - Supports DWL-2600AP, DWL-3600AP, DWL-6600AP, DWL-8600AP and DWL-8610AP - Controller Clustering for single-IP management - Captive Portal for robust client authentication, Local/RADIUS/LDAP/POP3 Database - 20K Permanent accounts and 20K temporary accounts of local database - Auto Power Adjustment and Auto Channel Selection for managed AP - Auto Initiate channel selection.