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R250D & R250D-E Remote Units
Huawei R250D and R250D-E are Remote Units (RUs) used in Huawei Distributed Wi-Fi Solution. They support 2 x 2 MIMO and two spatial streams, achieving a rate of 1.267 Gbit/s. The R250D and R250D-E are applicable to environments with complex wall structures and high-density rooms, such as schools, hotels, hospitals, and office meeting rooms.
Both the R250D and R250D-E have various installation modes, such as ceiling-mounting, wall-mounting, and plate-mounting, in addition the R250D-E supports desk-mounting.
Compliance with 802.11ac Wave 2, 2 x 2 MU-MIMO, with two spatial streams at a rate of 1.267 Gbit/s.
The R250D-E has PoE OUT, supplying power for STAs such as IP phones, while the R250D-E has built-in Bluetooth to implement precise location with eSight. The R250D-E also has USB interface support for extending IoT applications.
| Specifications | R250D | R250D-E |
| Dimensions (H x W x D) | 26.5 mm x 120 mm x 86 mm | 36 mm x 140 mm x 86 mm |
| Power Input | PoE power supply: In compliance with IEEE 802.3af/at | DC: 48V ±5% PoE power supply: In compliance with IEEE 802.3af/at |
| Maximum Power Consumption | 10.1W Note: The actual maximum power consumption depends on local laws and regulations |
11.5W Note: The actual maximum power consumption depends on local laws and regulations |
| Operating Temperature | 0°C to 40°C | |
| Antenna Type | Built-in omnidirectional antenna | |
| Maximum Number of Users | ≤ 256 | |
| Maximum Transmit Power | 2.4 GHz: 21 dBm (combined power) 5 GHz: 20 dBm (combined power) Notes: The actual transmit power depends on local laws and regulations |
|
| MIMO: Spatial Streams | 2 x 2:2 | |
| 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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