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Name:
R251D
- Description:
- Huawei R251D 802.11ac Wave 2 Remote Units (RUs), built-in smart antennas, 2 x 2 MIMO, 2 spatial streams, 1.267 Gbit/s.
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- Brand:
- Huawei
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- GTIN:
- 6900085921471
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3 Year Extended Warranty
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All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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R251D Overview
R251D is a high-performance wireless access point engineered to support dual-band connectivity on 2.4GHz and 5GHz frequency bands with the latest Wi‑Fi 6 (802.11ax) standard, delivering data rates of up to 1Gbps. It incorporates advanced MU-MIMO and beamforming technologies to ensure efficient use of bandwidth and robust performance in environments ranging from large offices to modern home networks.
Designed for flexible installation with ceiling mount options and powered via PoE, R251D features an omnidirectional antenna with a 5dBi gain that provides reliable indoor coverage over extensive areas. It also emphasizes security with WPA2, WPA3, and 802.1X support, making it a secure, scalable solution for demanding wireless applications.
What is the price of R251D?
Pricing for R251D is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for R251D.
Explore more options from Wireless or explore other Huawei products.
R251D Specifications
| Product Type | Wireless Product |
| Wireless Type | Access Point |
| Wi-Fi Standard | Wi-Fi 6 |
| Frequency Bands | 2.4GHz / 5GHz |
| Data Rate | 1Gbps |
| Max Range | 100 meters |
| Coverage Area | 2000 square feet |
| Connector Type | RJ-45 |
| Antenna Type | Omnidirectional |
| Antenna Gain | 5dBi |
| MIMO Technology | MU-MIMO |
| Beamforming | Yes |
| Mounting Options | Ceiling Mount |
| Power Supply | PoE |
| Mesh Networking | No |
| Ethernet Port | 1x Gigabit |
| Max Number Of Devices Supported | 128 |
| Protocols Supported | 802.11a/b/g/n/ac/ax |
| Management Features | Cloud Management |
| Security Features | WPA2 / WPA3 / 802.1X |
| Compliance | FCC / CE / RoHS |
| Processor | Quad-core 1.2GHz |
| Memory | 2GB |
| Outdoor Use | No |
| Product Name | R251D Wireless Access Point |
| Height | 1.5 inches |
| Width | 9.25 inches |
| Depth | 9.25 inches |
| Weight | 1.2 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Antenna Gain | N/A | 5dBi | 5dBi | N/A | N/A |
| Antenna Type | N/A | Omnidirectional | Omnidirectional | Omnidirectional | Omnidirectional |
| Beamforming | N/A | Yes | Yes | Yes | Yes |
| Compliance | FCC, CE, RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC, CE, RoHS | FCC / CE / RoHS |
| Connector Type | N/A | RJ-45 | RJ-45 | RJ‑45 | RJ-45 |
| Coverage Area | N/A | 1500 square feet | 2000 square feet | N/A | N/A |
| Data Rate | N/A | 2.5Gbps | 1Gbps | 1Gbps | 2.5Gbps |
| Depth | N/A | 9 inches | 9.25 inches | N/A | N/A |
| Ethernet Port | N/A | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit |
| Frequency Bands | N/A | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz, 5GHz | 2.4GHz / 5GHz |
| Height | N/A | 1.5 inches | 1.5 inches | N/A | N/A |
| Management Features | N/A | Cloud Management / On-Premises / SNMP | Cloud Management | Cloud Management, On‑Premises | Cloud Management / On-Premises / SNMP |
| Max Number of Devices Supported | N/A | 200 | 128 | N/A | N/A |
| Max Range | N/A | 100 meters | 100 meters | N/A | N/A |
| Memory | N/A | 1GB | 2GB | N/A | N/A |
| Mesh Networking | N/A | No | No | Yes | Yes |
| MIMO Technology | N/A | MU-MIMO | MU-MIMO | MU‑MIMO | MU-MIMO |
| Mounting Options | N/A | Ceiling Mount / Wall Mount | Ceiling Mount | Ceiling Mount, Wall Mount | Ceiling Mount / Wall Mount |
| Outdoor Use | N/A | No | No | No | No |
| Power Supply | N/A | PoE | PoE | PoE | PoE |
| Processor | N/A | Quad-core 1.2GHz | Quad-core 1.2GHz | N/A | N/A |
| Product Name | AD9431DN-24X | R250D Wireless Access Point | R251D Wireless Access Point | R251D-E Wireless Access Point | AirEngine 6760R-51 |
| Product Type | Analog-to-Digital Converter | Wireless Access Point | Wireless Product | Wireless Access Point | Wireless Product |
| Protocols Supported | N/A | 802.11a/b/g/n/ac/ax / Ethernet | 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax |
| Security Features | N/A | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X | WPA2, WPA3, 802.1X | WPA2 / WPA3 / 802.1X / VPN |
| Weight | N/A | 2 lbs | 1.2 lbs | N/A | N/A |
| Wi-Fi Standard | N/A | Wi-Fi 6 | Wi-Fi 6 | Wi‑Fi 6 | Wi-Fi 6 |
| Wi‑Fi Standard | - | - | - | - | - |
| Width | N/A | 9 inches | 9.25 inches | N/A | N/A |
| Wireless Type | N/A | Access Point | Access Point | Access Point | Access Point |
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Questions & Answers
Q
What is the Huawei R251D 802.11ac Wave 2 Remote Unit?
A
The Huawei R251D is a compact, high-performance Wave 2 Remote Unit (RU) delivering up to 1.267 Gbit/s aggregate throughput with built-in smart antennas, 2×2 MIMO, and two spatial streams for efficient distributed Wi-Fi deployments.
Q
What is the maximum wireless throughput of the Huawei R251D?
A
The R251D supports up to 1.267 Gbit/s combined throughput over concurrent dual-band 802.11ac Wave 2 radios, making it ideal for high-density indoor environments requiring high data rates.
Q
What are the benefits of 802.11ac Wave 2 on the Huawei R251D?
A
802.11ac Wave 2 on the R251D enables MU-MIMO, 80 MHz channel widths, and enhanced beamforming to increase capacity, reduce latency, and deliver faster connections in multi-user scenarios.
Q
How do the built-in smart antennas improve the Huawei R251D's performance?
A
The R251D’s integrated smart antennas dynamically adjust beams to focus signals toward clients, extending coverage, minimizing interference, and stabilizing wireless links for superior user experience.
Q
What MIMO configuration does the Huawei R251D use?
A
The Huawei R251D features a 2×2 MIMO configuration, providing two transmit and two receive chains to boost spectral efficiency and support higher aggregate throughput.
Q
How many spatial streams are supported by the Huawei R251D?
A
The R251D supports two spatial streams per band, leveraging multi-stream transmission to enhance data rates and improve performance for multiple clients.
Q
Can the Huawei R251D serve multiple clients simultaneously?
A
Yes. Thanks to MU-MIMO and dual spatial streams, the R251D can concurrently serve multiple clients, optimizing network capacity in congested areas.
Q
What are the PoE requirements for the Huawei R251D?
A
The R251D requires a single Ethernet cable with 802.3at PoE+ for both data and power, simplifying installation and reducing cabling costs.
Q
Which deployment scenarios are best for the Huawei R251D?
A
The R251D is ideal for indoor distributed deployments in offices, campuses, retail stores, and hotels, offering seamless centralized management and high-density coverage.
Q
How do I mount and install the Huawei R251D?
A
Install the R251D using the included ceiling or wall-mount bracket. Connect a PoE+ cable for power and data, then register the RU with your Huawei AC or iMaster NCE controller.
Q
What network management options are available for the Huawei R251D?
A
Manage the R251D via Huawei AC controllers or iMaster NCE for centralized configuration, real-time monitoring, automated RF optimization, and firmware upgrades.
Q
What security features are built into the Huawei R251D?
A
The R251D supports WPA3 encryption, 802.1X authentication, RF intrusion detection, rogue AP prevention, and secure boot to safeguard your wireless network.
Q
Is the Huawei R251D compatible with third-party controllers?
A
While optimized for Huawei AC and iMaster NCE, the R251D also supports CAPWAP for select third-party controllers. Verify compatibility with your vendor before deployment.
Q
Which firmware version is recommended for optimal Huawei R251D performance?
A
For stability and full feature support, upgrade to the latest Huawei RU firmware (version 22.2 or later), downloadable from the official Huawei support portal.
Q
What warranty and support does Huawei offer for the R251D?
A
The R251D includes a one-year limited hardware warranty with optional extension plans. Huawei’s global support network provides hardware replacement and technical assistance.
