AIR-AP1852I-C-K9C Specification

• 8.1 MR1 or later for the Cisco Aironet 1850 Series Access Points

• Cisco 2500 Series Wireless Controllers, Cisco Wireless Controller Module for ISR G2, Cisco Wireless Services Module 2 (WiSM2) for Catalyst 6500 Series Switches, Cisco 5500 Series Wireless Controllers, Cisco Flex 7500 Series Wireless Controllers, Cisco 8500 Series Wireless Controllers, Cisco 5760 Series Wireless Controllers, Cisco Catalyst 3650/3850 Series switch with integrated controller
• Cisco Mobility Express

• 4×4 MIMO with four spatial streams
• Maximal ratio combining (MRC)
• 20- and 40-MHz channels
• PHY data rates up to 600 Mbps (40 MHz with 5 GHz)
• Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx)
• 802.11 dynamic frequency selection (DFS)
• Cyclic shift diversity (CSD) support

• 4×4 MIMO with four spatial streams, single-user MIMO
• 4×4 MIMO with three spatial streams, multiuser MIMO
• MRC
• 802.11ac beamforming (transmit beamforming)
• 20-, 40-, and 80-MHz channels
• PHY data rates up to 1.7 Gbps (80 MHz in 5 GHz)
• Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx)
• 802.11 DFS
• CSD support
• Rogue device detection

• 2.4 GHz, gain 3 dBi, internal omni, horizontal beamwidth 360°
• 5 GHz, gain 5 dBi, internal omni, horizontal beamwidth 360°

• Certified for use with antenna gains up to 6 dBi (2.4 GHz and 5 GHz)
• Cisco offers the industry’s broadest selection ofantennas, delivering optimal coverage for a variety of deployment scenarios

• 1 x 10/100/1000BASE-T autosensing (RJ-45), Power over Ethernet (PoE)
• 1 x 10/100/1000BASE-T autosensing (RJ-45), AUX (used for Link Aggregation)
• Management console port (RJ-45)
• USB 2.0 (enabled via future software)

• Status LED indicates boot loader status, association status, operating status, boot loader warnings, boot loader errors

(W x L x H)

• Access point (without mounting bracket): 8.3 x 8.3 x 2 in. (210.8 x 210.8 x 50.8 mm)

• 3.12 lb (1.41 kg)

• Nonoperating (storage) temperature: -22° to 158°F (-30° to 70°C)
• Nonoperating (storage) altitude test: 25˚C, 15,000 ft.
• Operating temperature: 32° to 104°F (0° to 40°C)
• Operating humidity: 10% to 90% (noncondensing)
• Operating altitude test: 40˚C, 9843 ft.

• 1 GB DRAM
• 256 MB flash

• AP1850: 44 to 57 VDC
• Power supply and power injector: 100 to 240 VAC; 50 to 60 Hz

• 20.9W

Note: When deployed using a Power over Ethernet (PoE) specification, the power drawn from the power sourcing equipment will be higher by some amount, depending on the length of the interconnecting cable.

• 802.3at
• Enhanced PoE
• Cisco power injector, AIR-PWRINJ4=
• Cisco local power supply, AIR-PWR-C=
• Cisco power injector, AIR-PWRINJ5= (Note:this injector supports 802.3af only)
• 802.3af

Note: If 802.3af PoE is the source of power, (1) the 1852e 2.4-GHz radio will shift to 2×3 from 3×4, (2) The USB port and AUX Ethernet port are disabled on both the 1852i and 1852e.