Huawei R251D - E R251D R250D Distributed Wi-Fi Wireless AP hot sale 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. 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 0C to 40C Antenna Type Built-in smart antennas Maximum Number of Users le, 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 2 x 2:2 Radio Protocols 802.11a/b/g/n/ac/ac Wave 2 Maximum Rate 1.267 Gbit/s
