| Software |
- Cisco Unified Wireless Network Software Release 8.8 MR2 or later
- Cisco IOS ® XE Software Release 16.12 or later
|
| Supported wireless LAN controllers |
- Cisco Catalyst 9800 Wireless Controllers
- Cisco 3500, 5520 and 8540 Series Wireless Controllers, Cisco Virtual Wireless Controller
- Cisco Mobility Express
|
| 802.11n version 2.0 (and related) capabilities |
- 5 GHz, 4x4 MIMO with four spatial streams
- 2.4 GHz, 2x2 MIMO with two spatial streams
- Maximal Ratio Combining (MRC)
- 802.11n and 802.11a/g beamforming
- 20 and 40 MHz channels
- PHY data rates up to 744 Mbps (40 MHz with 5 GHz and 20MHz with 2.4GHz)
- Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx)
- 802.11 Dynamic Frequency Selection (DFS)
- Cyclic Shift Diversity (CSD) support
|
| 802.11ac |
- 4x4 DL MU-MIMO with four spatial streams
- MRC
- 802.11ac beamforming
- 20, 40, 80 MHz channels
- PHY data rates up to 1733 Mbps (80MHz with 5 GHz)
- Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx)
- 802.11 DFS
- CSD support
|
| Integrated antenna |
- 2.4 GHz, peak gain 4 dBi, internal antenna, omnidirectional in azimuth
- 5 GHz, peak gain 5 dBi, internal antenna, omnidirectional in azimuth
|
| Interfaces |
- 2 x 10/100/1000BASE-T autosensing (RJ-45), Power over Ethernet (PoE)
- Management console port (RJ-45)
- USB 2.0 (enabled via future software)
|
| Indicators |
- Status LED indicates boot loader status, association status, operating status, boot loader warnings, boot loader errors |
| Dimensions (W x L x H) |
- Access point (without mounting brackets): AIR-AP1840I: 7 x 7 x 1.5 in |
| Weight |
0.94 lb (0.43 kg) |
| Input power requirements |
- 802.3at PoE+, Cisco Universal PoE (Cisco UPOE )
- Cisco power injector, AIR-PWRINJ6=
- 802.3af PoE
- Cisco power injector, AIR-PWRINJ5= (note: this injector only supports 802.3af)
Note: When 802.3af PoE is the source of power, then USB port will be off
|
| Power draw |
- 13.2W at the PSE (12.1W at the PD) with all features enabled except for the USB port
- 17.8W at the PSE (16.0W at the PD) with the USB port enabled
|
| Environmental |
- Nonoperating (storage) temperature: -22° to 158°F (-30° to 70°C)
- Nonoperating (storage) altitude test: 25˚C, 15,000 ft.
- Operating temperature: 32° to 122°F (0° to 50°C)
- Operating humidity: 10% to 90% (noncondensing)
- Operating altitude test: 40˚C, 9843 ft.
Note: when ambient operating temperature exceeds 40°C, then the radio transmit duty cycle may be limited to not greater than 50%
|
| System memory |
- 1GB MB DRAM
- 256 MB flash
|
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