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Cisco Air-AP1142N-A-K9 AN.
Does *NOT* Include Power Supply; Requires either Power Injector (AIR-PWRINJ4=), Local Power Supply (AIR-PWR-B=), or 802.3af Ethernet Switch (requires 16+ W).
802.11n Capabilities: 2x3 multiple-input multiple-output (MIMO) with two spatial streams (2x3:2).
Mounting: Includes easy-to-install, multipurpose mounting bracket; UL 2043 plenum rated for above ceiling installation options or suspended from drop ceilings; Locks for theft protection.
Cyclic shift diversity (CSD) support.