R251D & R251D-E Remote Units ─ Huawei products

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R251D & R251D-E

R251D & R251D-E

R251D/R251D-E Remote Units

RUs with built-in smart antennas, wider coverage area, and new “Morning Dew” design that blends into their surroundings.

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WORLDWIDE

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AFRICA: Egypt (English); Nigeria (English); South Africa (English); Morocco (Français); Algeria (Français); Senegal (Français); Tunisia(Français)

MIDDLE EAST: Iraq (English); Oman (English); Pakistan (English); Saudi Arabia (العربية, English); United Arab Emirates (English)

EUROPE: Western Europe; Austria (Deutsch); Belgium (Français); Belgium (English); France (Français); Germany (Deutsch); Italy (Italiano); Luxembourg (English); Netherlands (English); Norway (English); Poland (English); Russia (русский); Spain (Español); Switzerland (English); United Kingdom (English)

LATIN AMERICA: Brazil (Português); Mexico (Español)

NORTH AMERICA: Canada (English); United States (English)

R251D/R251D-E Remote Units

R251D & R251D-E Remote Units

Huawei R251D and R251D-E are 802.11ac Wave 2 Remote Units (RUs) used in Huawei Distributed Wi-Fi Solution. They have built-in smart antennas and support 2 x 2 MIMO and two spatial streams, achieving a rate of 1.267 Gbit/s. The R251D and R251D-E are applicable to environments with complex wall structures and high-density rooms, such as schools, hotels, hospitals, and office meeting rooms.

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Flexible Smart Antenna Array Technology

Provides precise coverage for STAs, reduces interference, and improves signal quality, enabling signals to follow users.
Flexible Installation

Easy to install: Ceiling-mounted, wall-mounted, and desk-mounted methods.
Diversified Features

One GE uplink port, four GE downlink ports, and two RJ45 pass-through phone ports (compatible with RJ11).

Specifications¹

Specifications	R251D and R251D-E
Dimensions (H x W x D)	32.5 mm x 86 mm x 150 mm
Power Input	PoE power supply: In compliance with IEEE 802.3af/at
Interface types	Uplink: 1 x GE Downlink: 4 x GE 2 x Pass-through RJ45 port 1 x USB port (supported by the R251D-E)
Built-in Bluetooth	BLE4.1 (supported by the R251D-E)
PoE OUT	Supported by R251D-E: Maximum 13.6W (802.3at-compliant, supported only by GE4)
Operating Temperature	0°C to 40°C
Antenna Type	Built-in smart antennas
Maximum Number of Users	≤ 256
Maximum Power Consumption	R251D: 11.5W R251D-E: 11.5W (excluding the output power of the USB port and PoE_OUT port) Note: The actual maximum power consumption depends on local laws and regulations.
Maximum Transmit Power	2.4 GHz: 23 dBm (combined power) 5 GHz: 23 dBm (combined power) Note: The actual transmit power depends on local laws and regulations
MIMO: Spatial Streams	2x2:2
Radio Protocols	802.11a/b/g/n/ac/ac Wave 2
Maximum Rate	1.267 Gbit/s

1. This content is applicable only to regions outside mainland China. Huawei reserves the right to interpret this content.

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