. The Cisco 2500 series wireless controller enables systemwide wireless functions in small to medium-sized enterprises & branch offices. Designed for 802.11n performance Cisco 2500 series wireless controllers are entry-level controllers that provide real-time communication between Cisco Aironet access points to simplify the deployment & operation of wireless networks.. As a component of the Cisco unified wireless network this controller delivers centralized security policies wireless intrusion prevention system (w IPS) capabilities award-winning RF management & quality of service (Qo S) for voice & video. Delivering 802.11n performance & scalability the Cisco 2500 series provides low total cost of ownership & flexibility to scale as network requirements grow Key Product Info. High performance RF management Comprehensive End-to-end security End-to-end voice High-performance video PCI integration Product Features High performance Wired-network speed & nonblocking performance for 802.11n networks. RF management Provides both real-time & historical information about RF interference impacting network performance across controllers via systemwide Cisco Clean Air technology integration. Comprehensive End-to-end security Offers CAPWAP-compliant Datagram Transport Layer Security (DTLS) encryption to help ensure full-linerate encryption between access points & controllers across remote WAN/LAN links. End-to-end voice Supports unified communications for enhanced collaboration through messaging presence & conferencing Supports all Cisco unified communications wireless IP phones for cost-effective real-time voice services. High-performance video Integrates Cisco Video Stream technology as part of the Cisco medianet framework to optimize the delivery of video applications across the WLAN. PCI integration Part of Payment Card Industry (PCI) certified architecture & are well-suited for retail customers who deploy transactional data applications such as scanners & kiosks