- 2.4 GHz, gain 3 dBi, external omni, horizontal beamwidth 360°

- 5 GHz, gain 5 dBi, external omni, horizontal beamwidth 360°

- 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

- Nonoperating (storage) temperature: -22° to 158°F (-30° to 70°C)

- Nonoperating (storage) altitude test: 25˚C, 15,000 ft.

- Operating temperature: -4° to 122°F (-20° to 50°C)

- Operating humidity: 10% to 90% (noncondensing)

- Operating altitude test: 40˚C, 9843 ft.

- 1 GB DRAM

- 256 MB flash

- 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 2x3 from 3x4, (2) The USB port and AUX Ethernet port are disabled on both the 1852i and 1852e.

- 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.

- Torx security screw, included with the access point

- Mounting bracket: AIR-AP-BRACKET-8= (available as spare)

- Physical security kit: AIR-SEC-50= (sold separately), with 50 pcs. security screws used to secure the access point onto wall-mounting bracket, 50 pcs. RJ-45 caps and 2 pcs. unlock keys used to block physical access to Ethernet ports

- Safety: UL 60950-1, CAN/CSA-C22.2 No. 60950-1, UL 2043, IEC 60950-1, EN 60950-1

- Radio approvals: FCC Part 15.247, 15.407, RSS-247 (Canada), EN 300.328, EN 301.893 (Europe), ARIB-STD 66 (Japan), ARIB-STD T71 (Japan), EMI and susceptibility (Class B), FCC Part 15.107 and 15.109, ICES-003 (Canada), VCCI (Japan), EN 301.489-1 and -17 (Europe), EN 50385

- IEEE standards: IEEE 802.11a/b/g, 802.11n, 802.11h, 802.11d, IEEE 802.11ac

- Security: 802.11i, WPA2, WPA, 802.1X, AES

- Extensible Authentication Protocol (EAP) types: EAP-Transport Layer Security (TLS), EAP-Tunneled TLS (TTLS) or Microsoft Challenge Handshake Authentication Protocol Version 2 (MSCHAPv2), Protected EAP (PEAP) v0 or EAP-MSCHAPv2, EAP-Flexible Authentication via Secure Tunneling (FAST), PEAP v1 or EAP-Generic Token Card (GTC), EAP-Subscriber Identity Module (SIM)

- Multimedia: Wi-Fi Multimedia (WMM)

- Other: FCC Bulletin OET-65C, RSS-102

Cisco Unified Wireless Network Software Release with AireOS wireless controllers:

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

Centralized, standalone, sniffer**, Cisco FlexConnect™, monitor**, OfficeExtend**, mesh**

- Cisco 2500 Series Wireless Controllers, Cisco Wireless Controller Module for ISR G2, Cisco Wireless Services Module 2 (WiSM2) for Cisco Catalyst® 6500 Series Switches, Cisco 5500 Series Wireless Controllers, Cisco 5520 Series Wireless Controllers, Cisco Flex® 7500 Series Wireless Controllers, Cisco 8500 Series Wireless Controllers, Cisco 8540 Series Wireless Controllers, Cisco 5760 Wireless LAN Controller,** Cisco Catalyst 3650 and 3850 Series Switches with integrated controller**

- Cisco Mobility Express

- 4x4 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

- 4x4 MIMO with four spatial streams, single-user MIMO

- 4x4 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