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AIR-AP1840I-D-K9C
Cisco Aironet ME AP1840I Series access point - D domain
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
AIR-AP1840I-D-K9C is a high-performance wireless access point engineered for indoor enterprise environments. It operates across dual frequency bands—2.4GHz and 5GHz—supporting the Wi-Fi 5 (802.11ac) standard to deliver data rates of up to 1Gbps. Featuring advanced MU-MIMO and beamforming capabilities, this access point ensures efficient, high-capacity connectivity that keeps pace with modern wireless demands.
AIR-AP1840I-D-K9C incorporates an internal omnidirectional antenna with a typical gain of 3dBi, offering reliable coverage in high-density office settings and large indoor spaces. Designed for flexible deployment, it supports both ceiling and wall mounting options and is powered via PoE, making it an ideal choice for seamless integration into existing network infrastructures.
AIR-AP1840I-D-K9C price is $733.00, a 47.5% saving from the Cisco list price of $1,396.00. AIR-AP1840I-D-K9C is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AIR-AP1840I-D-K9C for additional pricing. Browse the full Cisco 1840 Access Points series or explore all Cisco products.
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| AIR-AP1840I-D-K9C |  AIR-AP1840I-I-K9C |  AIR-AP1840I-G-K9 |  AIR-AP1840I-A-K9 |  AIR-AP1840I-E-K9 | |
|---|---|---|---|---|---|
| Product Type | Wireless Access Point | Wireless Access Point | Wireless Access Point | Wireless Access Point | Wireless Access Point |
| Wireless Type | Access Point | Access Point | Access Point | Access Point | Access Point |
| Wi-Fi Standard | 802.11a/b/g/n/ac | Wi-Fi 5 | Wi-Fi 5 (802.11ac Wave 2) | 802.11a/b/g/n/ac | Wi-Fi 5 |
| Frequency Bands | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz, 5GHz | 2.4GHz / 5GHz |
| Data Rate | 1Gbps | Up to 1.3Gbps | Up to 1.3Gbps | Up to 1.3Gbps | 1Gbps |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Antenna Type | Omnidirectional | Internal Omnidirectional | Omnidirectional (Internal) | Internal Omnidirectional | Omnidirectional |
| MIMO Technology | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO |
| Beamforming | Yes | Yes | Yes | Yes | Yes |
| Mounting Options | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount, Wall Mount | Ceiling Mount / Wall Mount |
| Power Supply | PoE | PoE | PoE | PoE | PoE |
| Mesh Networking | No | No | No | No | No |
| Ethernet Port | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit |
| Protocols Supported | 802.11a/b/g/n/ac / Ethernet | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac |
| Management Features | On-Premises / SNMP | On-Premises | On-Premises / SNMP | Cisco IOS Software, SNMP | On-Premises / SNMP |
| Security Features | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 | WPA2, WPA3, 802.1X | WPA2 / WPA3 / 802.1X |
| Compliance | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC, CE, RoHS | FCC / CE / RoHS |
| Outdoor Use | No | No | No | No | No |
| Product Name | AIR-AP1840I-D-K9C | AIR-AP1840I-I-K9C | Cisco Aironet 1840I Wireless Access Point | Cisco Aironet 1840 Series Access Point | AIR-AP1840I-E-K9 |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
ME AP1840I performs reliably with steady indoor coverage.
Wave 2 speeds handle business traffic smoothly.
Strong integration and centralized manageability.
Stable wireless experience with minimal interruptions.
Professional indoor AP with dependable uptime.
Consistent throughput and secure connectivity.
Reliable enterprise solution for distributed offices.
The AIR-AP1840I-D-K9C delivers up to 3.6 Gbps aggregate data rate (2.4 GHz: 600 Mbps, 5 GHz: 2.4 Gbps) over Wi-Fi 6, ensuring high-speed connectivity for demanding applications.
This model supports dual-band operation: 2.4 GHz (2×2:2) and 5 GHz (4×4:4) with OFDMA and MU-MIMO capabilities, optimizing performance in dense environments.
Yes. It fully supports Wi-Fi 6 (802.11ax) features including OFDMA, Target Wake Time (TWT), BSS Coloring, and uplink/downlink MU-MIMO for efficient spectrum use.
The access point supports 802.3at PoE+ and Cisco Universal PoE (UPoE) delivering up to 30 W, eliminating the need for a separate power supply in most deployments.
The AIR-AP1840I-D-K9C can support up to 200 concurrent clients, balancing load across bands to maintain consistent throughput and reduce latency.
It features WPA3, WPA2 Enterprise, 802.1X authentication, rogue access point detection, and Cisco’s Wireless Intrusion Prevention System (wIPS) for robust network security.
Yes. It integrates seamlessly with Cisco Catalyst and Cisco 9800 Series wireless controllers for centralized management, policy enforcement, and analytics.
Absolutely. Cisco DNA Center provides zero-touch provisioning, monitoring, and automation for the AIR-AP1840I-D-K9C, streamlining large-scale deployments.
The “D” in AIR-AP1840I-D-K9C denotes the D regulatory domain, compliant with European ETSI regulations and certain Middle East and Africa requirements.
Operating temperature: –30 °C to 55 °C; humidity: 5% to 95% non-condensing. It meets IP67 standards for dust and water resistance in harsh outdoor conditions.
Dimensions: 282 × 282 × 100 mm (11.1 × 11.1 × 3.9 in); weight: 2.4 kg (5.3 lb), making it compact and easy to mount on walls or poles.
Use Cisco Enterprise Network Compute System (ENCS) or a wireless controller’s web interface to upload the .tar firmware file, then schedule or apply the upgrade during off-peak hours.
It supports wall, ceiling, pole, and mast mounting with included brackets, enabling flexible installation in both indoor and outdoor environments.
Cisco provides a limited lifetime warranty on the AP chassis and one year on accessories, plus 90-day Cisco TAC support. Extended service contracts are available.
It features a ruggedized, finned aluminum enclosure and internal heat sinks, ensuring passive cooling and reliable operation in temperatures up to 55 °C.
Authorized Cisco partners, resellers, and online marketplaces list the AIR-AP1840I-D-K9C. For best pricing and support, contact a certified Cisco distributor.
United States
