Cisco Aironet Wireless Access Point - AIR-AP2802I-B-K9 (3 MU-MIMO Streams, 2.4GHz and 5GHz Radios, Wave 2, 802.3at PoE) 3 MU-MIMO Spatial Streams, 802.11ac Wave 2 Radios, 2.4GHz Mode and 5GHz Mode Dual-5GHz Radio, CleanAir 160MHz Dynamic Bandwidth Channel Support Client Link 4.0 to Improve Downlink Performance to All Mobile Devices Flexible Deployment with Cisco Mobility Express Supports up to 100 Access Points 802.3at Power Over Ethernet (PoE) Power Injectors Sold separately (AIR-PWRINJ6=)