Huawei Technologies R250D Remote Unit User Manual Product Description

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R250D&R250D-E Product Description Issue 01 Date 2016-07-05 HUAWEI TECHNOLOGIES CO., LTD.

Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. i Copyright © Huawei Technologies Co., Ltd. 2016. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd. Trademarks and Permissions and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd. All other trademarks and trade names mentioned in this document are the property of their respective holders. Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied. The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute a warranty of any kind, express or implied. Huawei Technologies Co., Ltd. Address: Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China Website: http://e.huawei.com

R250D&R250D-E Product Description About This Document Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. ii About This Document Intended Audience This document describes the positioning, characteristics, hardware structure, product features, and technical specifications of the RU. This document helps you understand the characteristics and features of the RU. This document is intended for:  Network planning engineers  Hardware installation engineers  Commissioning engineer  Data configuration engineers  On-site maintenance engineers  Network monitoring engineers  System maintenance engineers Symbol Conventions The symbols that may be found in this document are defined as follows. Symbol Description Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results. NOTICE is used to address practices not

R250D&R250D-E Product Description About This Document Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. iii Symbol Description related to personal injury. Calls attention to important information, best practices and tips. NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration. Change History Changes between document issues are cumulative. The latest document issue contains all the changes made in previous issues. Changes in Issue 01 (2016-07-05) This is the initial commercial release.

R250D&R250D-E Product Description Contents Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. iv Contents About This Document .................................................................................................................... ii 1 Product Positioning and Characteristics ................................................................................... 1 1.1 Product Positioning ....................................................................................................................................................... 1 1.2 Product Characteristics ................................................................................................................................................. 2 2 Hardware Structure....................................................................................................................... 5 2.1 R250D ........................................................................................................................................................................... 5 2.2 R250D-E ....................................................................................................................................................................... 9 3 Product Features .......................................................................................................................... 13 3.1 WLAN Features .......................................................................................................................................................... 13 3.2 Network Features ........................................................................................................................................................ 14 3.3 QoS Features ............................................................................................................................................................... 14 3.4 Security Features ........................................................................................................................................................ 14 3.5 Maintenance Features ................................................................................................................................................. 15 3.6 BYOD ......................................................................................................................................................................... 15 3.7 Locating Service ......................................................................................................................................................... 15 3.8 Spectrum Analysis ...................................................................................................................................................... 16 4 Technical Specifications ............................................................................................................ 17 4.1 Basic Specifications .................................................................................................................................................... 17 4.2 Radio Specifications (R250D) .................................................................................................................................... 18 4.3 Radio Specifications (R250D-E) ................................................................................................................................ 22 4.4 Standards Compliance ................................................................................................................................................ 25

R250D&R250D-E Product Description 1 Product Positioning and Characteristics Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 1 1 Product Positioning and Characteristics 1.1 Product Positioning Product Overview The R250D and R250D-E are remote units (RUs) used in Huawei agile distributed Wi-Fi solution. They support PoE power supply, and are deployed indoors and connected to the central AP. The central AP and RUs are connected through network cables, which greatly extends the coverage range, enhances flexibility in AP deployment and planning, and reduces the engineering construction costs. The central AP manages the RUs and processes services in a centralized manner. The RUs process radio signals independently. Such distributed architecture further improves the wireless access capability, creating optimal service experience for users. The RU uses an 86 mm plate in compliance with international standards and can be easily installed into a junction box in a room. It is equipped with a built-in antenna and a hidden indicator; therefore, installation of the RU does not affect indoor decorations and designs. It also has an IEEE 802.11a/b/g/n/ac/ac wave2 wireless module and can work on both 5 GHz and 2.4 GHz frequency bands. The RU is recommended for environments with complex wall structures and high-density rooms, such as schools, hotels, hospitals, and office meeting rooms. Signals are transmitted through network cables without attenuation. The RUs are deployed indoors and provide comprehensive signal coverage. The RUs are managed by the central AP. The central AP and RUs are plug-and-play and can be managed and maintained in real time. Compared with traditional distributed AP solutions, the AC in Huawei agile distributed Wi-Fi solution needs to manage a smaller number of APs. A large number of RUs can be deployed, which improves the overall performance and reduces network deployment costs.

R250D&R250D-E Product Description 1 Product Positioning and Characteristics Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 2 Usage Scenario Figure 1-1 Distributed wireless access As shown in the figure, the downlink GE interfaces of the central AP support PoE power supply and can be directly connected to RUs. The central AP can connect to more RUs through a PoE switch. RUs are deployed indoors and communicate with the central AP through network cables. 1.2 Product Characteristics Long-Distance Network Coverage Unlike the traditional distributed AP which allows for a maximum feeder length of 15 m, the central AP uses network cables to replace feeder cables and supports up to 100 m distance from the RUs. The network coverage range is therefore expanded by several times. No Wall Penetration Loss, No Coverage Hole Restricted by feeder length or installation requirements, signals have to pass through walls in some scenarios, resulting in large signal attenuation. If rooms to be covered have complex structures, coverage holes may occur. To prevent these problems, lots of calculation and verification work needs to be carried out. Huawei distributed solution solves these problems. In this solution, RUs are placed in rooms, and signals are transmitted over wired cables, without wall penetration loss, delivering high-quality wireless access services.

R250D&R250D-E Product Description 1 Product Positioning and Characteristics Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 3 802.11ac/ac wave2 Gigabit Wireless Rate The RU complies with IEEE 802.11a/b/g/n/ac/ac wave2, supports 2x2 MIMO, works on both 2.4 and 5 GHz frequency bands, and provides strong signals and gigabit wireless rate. Unique, Graceful Plate Design The RU is white in appearance and has heat emission holes and interfaces at the side and bottom. The mounting screws are hidden under the slide panel. The overall design is simple but graceful and blends well with the layout of hotels and apartments. Easy to Install in a Standard 86-type Box The RU uses an 86 mm plate in compliance with international standards and can be easily installed into a junction box in a room, requiring no drilling or cabling. Flexible Installation Modes In addition to an 86-type box, the R250D can be installed on a wall or ceiling, and the R250D-E can be installed on a desk, rendering the installation location flexible. Hidden Indicator, Zero Impact on Sleep The RU uses a hidden indicator design. When being turned on, the indicator has soft light. The AC controls the switch of the indicator and turns off the indicator at nights to prevent blinking lights from affecting sleep of guests. Four Downlink Ethernet Interfaces, Supporting Wired Access from Multiple Users The R250D-E has four downlink 1000M Ethernet interfaces that can process data concurrently. The interfaces can be connected to multiple terminals through network cables, such as the IPTV, desktop computer, and laptop, meeting requirements of hotels and apartments. One downlink 1000M Ethernet interface supports PoE out and can provide power supply for connected devices such as IP phones. Auto Shutdown of the Wired Interface In some cases, a loop may occur on a network connected to the RU's wired interface, for example, when the RU and the network are connected through a hub. The auto shutdown function enables the RU to automatically shut down its wired interface for protection. This function takes effect only when the wired network connected to the RU's wired interface does not terminate STP packets from the RU. Low Engineering Cost Compared with traditional distributed APs, the central AP cuts down the following expenses:  Construction: Network cables replace expensive feeder cables. The central AP can directly use the network cables originally routed in the rooms, without the need of deploying new cables.

R250D&R250D-E Product Description 1 Product Positioning and Characteristics Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 4  License: The maximum number of central APs in Fit AP mode allowed by the AC is controlled by licenses, but RUs do not require licenses. Therefore, one central AP can use RUs to cover dozens of rooms. Hierarchical Processing Technology, High Wireless Forwarding Capability Huawei distributed solution uses innovative hierarchical processing technology. The central AP manages RUs in a centralized manner and concurrently forwards service traffic, while the RUs only process radio signals. The hierarchical design makes the network structure clearer and reduces the processing burden on the central AP and RUs, improving efficiency and optimizing the overall wireless forwarding performance.

R250D&R250D-E Product Description 2 Hardware Structure Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 5 2 Hardware Structure 2.1 R250D Appearance The actual device appearance may be different from the following device appearance; these differences will not affect device functions. Figure 2-1 R250D appearance

R250D&R250D-E Product Description 2 Hardware Structure Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 6 Port Figure 2-2 R250D ports As shown in Figure 2-2, each port can be described as follows: 1. GE1: 10/100/1000M port: connects to the wired Ethernet. 2. Default: Reset button used to restore factory settings and restarts the device if you hold down the button more than 3 seconds. 3. GE0/PoE_IN: 10/100/1000M port: connects to the wired Ethernet and supports PoE input. The R250D provides only one indicator, as shown in Figure 2-3.

R250D&R250D-E Product Description 2 Hardware Structure Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 7 Figure 2-3 Indicator  The indicator is located inside the panel, which turns on after the AP is powered on.  Indicator colors may vary slightly at different temperature. Table 2-1 Indicator description Type Color Status Description Default status after power-on Green Steady on The AP is just powered on and the software is not started yet. Software startup status Green Steady on after blinking once After the system is reset and starts uploading the software, the indicator blinks green once. Until the software is uploaded and started, the indicator remains steady green. Running status Green Blinking once every 2s (0.5 Hz) The system is running properly, the Ethernet connection is normal, and STAs are associated with the AP.

R250D&R250D-E Product Description 2 Hardware Structure Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 8 Type Color Status Description Blinking once every 5s (0.2 Hz) The system is running properly, the Ethernet connection is normal, and no STA is associated with the AP. The system is in low power consumption state. Alarm Green Blinking once Alarm Green every 0.25s (4 Hz)  The software is being upgraded.  After the software is uploaded and started, the AP working in Fit AP mode requests to go online on the AC and maintains this state until it goes online successfully on the AC (before the CAPWAP link is established).  The AP registration fails (the CAPWAP link is disconnected). Fault Red Steady on A fault that affects services has occurred, such as a DRAM detection failure or system software loading failure. The fault cannot be automatically rectified and must be rectified manually.

R250D&R250D-E Product Description 2 Hardware Structure Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 9 2.2 R250D-E Appearance The actual device appearance may slightly differ from the following device appearance, but these differences will not affect device functions. Figure 2-4 AP2050DN-E appearance

R250D&R250D-E Product Description 2 Hardware Structure Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 10 Ports Figure 2-5 AP2050DN-E ports As shown in Figure 2-5, each port can be described as follows: 1. DC 48V: DC power socket: connects a 48V power adapter to the AP. 2. USB: Connects to a USB flash drive or other storage devices to extend the storage space of the AP. The USB2.0 standard is supported. 3. Default: Reset button: restores factory settings and restarts the device if you hold down the button more than 3 seconds. 4. Pass Through: Connects to a network cable or phone cable for transparent transmission. 5. GE2 to GE4: 10/100/1000M port: connects to the wired Ethernet. 6. GE1/PoE_OUT: 10/100/1000M port: connects to the wired Ethernet and supports PoE output. 7. GE0/PoE_IN: 10/100/1000M port: connects to the wired Ethernet and supports PoE input. LED Indicator The R250D-E provides only a single indicator, as shown in Figure 2-6.

R250D&R250D-E Product Description 2 Hardware Structure Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 11 Figure 2-6 Indicator  The indicator is located inside the panel, which turns on after the AP is powered on.  Indicator colors may vary slightly at different temperature. Table 2-2 Indicator description Type Color Status Description Default status after power-on Green Steady on The AP is just powered on and the software is not started yet. Software startup status Green Steady on after blinking once After the system is reset and starts uploading the software, the indicator blinks green once. Until the software is uploaded and started, the indicator remains steady green. Running status Green Blinking once every 2s (0.5 Hz) The system is running properly, the Ethernet connection is normal, and STAs are associated with the AP. Blinking once every 5s (0.2 Hz) The system is running properly, the Ethernet connection is

R250D&R250D-E Product Description 2 Hardware Structure Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 12 Type Color Status Description normal, and no STA is associated with the AP. The system is in low power consumption state. Alarm Green Blinking once Alarm Green every 0.25s (4 Hz)  The software is being upgraded.  After the software is uploaded and started, the AP working in Fit AP mode requests to go online on the AC and maintains this state until it goes online successfully on the AC (before the CAPWAP link is established).  The AP registration fails (the CAPWAP link is disconnected). Fault Red Steady on A fault that affects services has occurred, such as a DRAM detection failure or system software loading failure. The fault cannot be automatically rectified and must be rectified manually.

R250D&R250D-E Product Description 3 Product Features Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 15  WPA-WPA2 hybrid authentication  WAPI authentication and encryption  Wireless intrusion detection system (WIDS) and wireless intrusion prevention system (WIPS), including rogue device detection and countermeasure, attack detection and dynamic blacklist, and STA/AP blacklist and whitelist  802.1x authentication, MAC address authentication, and Portal authentication  DHCP snooping  Dynamic ARP Inspection (DAI)  IP Source Guard (IPSG) 3.5 Maintenance Features Maintenance features supported by the AP are as follows:  Unified management and maintenance on the AC  Automatic login and configuration loading, and plug-and-play (PnP)  Batch upgrade  Telnet  STelnet using SSH v2  Real-time configuration monitoring and fast fault location using the NMS  System status alarm 3.6 BYOD BYOD features supported by the AP are as follows:  Identifies the device type according to the organizationally unique identifier (OUI) in the MAC address.  Identifies the device type according to the user agent (UA) information in an HTTP packet.  Identifies the device type according to DHCP options.  The RADIUS server delivers packet forwarding, security, and QoS policies according to the device type carried in the RADIUS authentication and accounting packets. 3.7 Locating Service The AP supports the locating service only in Fit AP mode. Locating service features supported by the AP are as follows:  Locates tags manufactured by AeroScout or Ekahau.  Locates Wi-Fi terminals.  Works with eSight to locate rogue devices.  The R250D-E supports Bluetooth location.

R250D&R250D-E Product Description 3 Product Features Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 16 3.8 Spectrum Analysis Spectrum analysis features supported by the AP are as follows:  Identifies interference sources such as baby monitors, Bluetooth devices, digital cordless phones (at 2.4 GHz frequency band only), wireless audio transmitters (at both the 2.4 GHz and 5 GHz frequency bands), wireless game controllers, and microwaves.  Works with eSight to locate and perform spectrum analysis on interference sources.

R250D&R250D-E Product Description 4 Technical Specifications Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 17 4 Technical Specifications 4.1 Basic Specifications Table 4-1 R250D Basic specifications Item Description Physical specifications Dimensions (H x W x D) 26 mm x 86 mm x 120 mm Weight 0.2 kg System memory  256 MB DDR3L  32MB Flash Power specifications Power input PoE power supply: in compliance with IEEE 802.3af/at Maximum power consumption 10.1 W NOTE The actual maximum power consumption depends on local laws and regulations. Environment specifications Operating temperature  -60 m to +1800 m: 0°C to +40°C  1800 m to 5000 m: Temperature decreases by 1°C every time the altitude increases 300 m. Storage temperature -40°C to +70°C Operating humidity 5% to 95% (non-condensing) IP rating IP20 Atmospheric pressure 53 kPa to 106 kPa

R250D&R250D-E Product Description 4 Technical Specifications Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 18 Table 4-2 R250D-E Basic specifications Item Description Physical specifications Dimensions (H x W x D) 36mm x 86mm x 140mm Weight 0.26kg System memory  256MB DDR3L  32MB FLASH Power specifications Power input  DC:48V±5%  PoE power supply: in compliance with IEEE 802.3af/at Maximum power consumption 11.5 W (excluding the output power of the USB port and PoE_OUT port) NOTE The actual maximum power consumption depends on local laws and regulations. Environment specifications Operating temperature  -60 m to +1800 m: 0°C to +40°C  1800 m to 5000 m: Temperature decreases by 1°C every time the altitude increases 300 m. Storage temperature -40°C to +70°C Operating humidity 5% to 95% (non-condensing) IP rating IP20 Atmospheric pressure 53 kPa to 106 kPa 4.2 Radio Specifications (R250D) Table 4-3 Radio specifications Item Description Antenna type Built-in antenna Antenna gain  2.4 GHz: 4 dBi(Typical)  5 GHz: 6 dBi(Typical) Maximum number of concurrent users ≤256

R250D&R250D-E Product Description 4 Technical Specifications Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 19 Item Description Maximum number of VAPs for each radio 16 Maximum transmit power  2.4 GHz: 21 dBm (combined power)  5 GHz: 20 dBm (combined power) NOTE The actual transmit power depends on local laws and regulations. You can adjust the transmit power from the maximum transmit power to 1 dBm, with a step of 1 dB. Maximum number of non-overlapping channels 2.4 GHz 802.11b/g  20 MHz: 3 802.11n  20 MHz: 3  40 MHz: 1 5 GHz  802.11a − 20 MHz: 13  802.11n − 20 MHz: 13 − 40 MHz: 6  802.11ac − 20 MHz: 13 − 40 MHz: 6 − 80 MHz: 3 NOTE The table uses the number of non-overlapping channels supported by China as an example. The number of non-overlapping channels varies in different countries. For details, see the Country Codes & Channels Compliance. Channel rate  802.11b: 1, 2, 5.5, and 11 Mbit/s  802.11a/g: 6, 9, 12, 18, 24, 36, 48, and 54 Mbit/s  802.11n: 6.5 to 300 Mbit/s  802.11ac: 6.5 to 867 Mbit/s Receiver sensitivity (Typical values) 2.4 GHz 802.11b  -99 dBm @ 1 Mbit/s  -97 dBm @ 2 Mbit/s  -95 dBm @ 5.5 Mbit/s  -92 dBm @ 11 Mbit/s 2.4 GHz 802.11g  -94 dBm @ 6 Mbit/s  -93 dBm @ 9 Mbit/s  -90 dBm @ 12 Mbit/s  -89 dBm @ 18 Mbit/s  -85 dBm @ 24 Mbit/s  -84 dBm @ 2.4 GHz 802.11n (HT20)  -93 dBm @ MCS0  -89 dBm @ MCS1  -87 dBm @ MCS2  -85 dBm @ MCS3  -82 dBm @ MCS4  -78 dBm @ 2.4 GHz 802.11n(HT40)  -91 dBm @ MCS0  -88 dBm @ MCS1  -85 dBm @ MCS2  -83 dBm @ MCS3  -80 dBm @ MCS4  -76 dBm @

R250D&R250D-E Product Description 4 Technical Specifications Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 20 Item Description 36 Mbit/s  -79 dBm @ 48 Mbit/s  -78 dBm @ 54 Mbit/s MCS5  -76 dBm @ MCS6  -74 dBm @ MCS7  -91 dBm @ MCS8  -87 dBm @ MCS9  -85 dBm @ MCS10  -83 dBm @ MCS11  -80 dBm @ MCS12  -76 dBm @ MCS13  -74 dBm @ MCS14  -72 dBm @ MCS15 MCS5  -75 dBm @ MCS6  -72 dBm @ MCS7  -89 dBm @ MCS8  -86 dBm @ MCS9  -83 dBm @ MCS10  -81 dBm @ MCS11  -78 dBm @ MCS12  -74 dBm @ MCS13  -73 dBm @ MCS14  -70 dBm @ MCS15 5 GHz 802.11a  -91 dBm @ 6 Mbit/s  -91 dBm @ 9 Mbit/s  -89 dBm @ 12 Mbit/s  -88 dBm @ 18 Mbit/s  -85 dBm @ 24 Mbit/s  -82 dBm @ 36 Mbit/s  -77 dBm @ 48 Mbit/s  -76 dBm @ 54 Mbit/s 5 GHz 802.11n (HT20)  -91 dBm @ MCS0  -88 dBm @ MCS1  -87 dBm @ MCS2  -84 dBm @ MCS3  -80 dBm @ MCS4  -76 dBm @ MCS5  -74 dBm @ MCS6  -72 dBm @ MCS7  -89 dBm @ MCS8  -86 dBm @ MCS9  -85 dBm @ MCS10 5 GHz 802.11n (HT40)  -88 dBm @ MCS0  -86 dBm @ MCS1  -82 dBm @ MCS2  -80 dBm @ MCS3  -77 dBm @ MCS4  -73 dBm @ MCS5  -71 dBm @ MCS6  -69 dBm @ MCS7  -86 dBm @ MCS8  -84 dBm @ MCS9  -80 dBm @ MCS10 -

R250D&R250D-E Product Description 4 Technical Specifications Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 21 Item Description  -82 dBm @ MCS11  -78 dBm @ MCS12  -74 dBm @ MCS13  -72 dBm @ MCS14  -70 dBm @ MCS15  -78 dBm @ MCS11  -75 dBm @ MCS12  -71 dBm @ MCS13  -69 dBm @ MCS14  -67 dBm @ MCS15 5 GHz 802.11ac (VHT20)  -91 dBm @ MCS0NSS1  -88 dBm @ MCS1NSS1  -87 dBm @ MCS2NSS1  -83 dBm @ MCS3NSS1  -80 dBm @ MCS4NSS1  -76 dBm @ MCS5NSS1  -74 dBm @ MCS6NSS1  -72 dBm @ MCS7NSS1  -69 dBm @ MCS8NSS1  -89 dBm @ MCS0NSS2  -86 dBm @ MCS1NSS2  -85 dBm @ MCS2NSS2  -81 dBm @ MCS3NSS2  -78 dBm @ MCS4NSS2  -74 dBm @ MCS5NSS2  -72 dBm @ MCS6NSS2 5 GHz 802.11ac (VHT40)  -88 dBm @ MCS0NSS1  -85 dBm @ MCS1NSS1  -82 dBm @ MCS2NSS1  -80 dBm @ MCS3NSS1  -77 dBm @ MCS4NSS1  -73 dBm @ MCS5NSS1  -71 dBm @ MCS6NSS1  -69 dBm @ MCS7NSS1  -66 dBm @ MCS8NSS1  -64 dBm @ MCS9NSS1  -86 dBm @ MCS0NSS2  -83 dBm @ MCS1NSS2  -80 dBm @ MCS2NSS2  -78 dBm @ MCS3NSS2  -75 dBm @ MCS4NSS2  -71 dBm @ MCS5NSS2 5 GHz 802.11ac (VHT80)  -85 dBm @ MCS0NSS1  -82 dBm @ MCS1NSS1  -79 dBm @ MCS2NSS1  -77 dBm @ MCS3NSS1  -74 dBm @ MCS4NSS1  -70 dBm @ MCS5NSS1  -68 dBm @ MCS6NSS1  -67 dBm @ MCS7NSS1  -62 dBm @ MCS8NSS1  -61 dBm @ MCS9NSS1  -83 dBm @ MCS0NSS2  -80 dBm @ MCS1NSS2  -77 dBm @ MCS2NSS2  -75 dBm @ MCS3NSS2  -72 dBm @ MCS4NSS2  -68 dBm @ MCS5NSS2 -

R250D&R250D-E Product Description 4 Technical Specifications Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 22 Item Description  -70 dBm @ MCS7NSS2  -67 dBm @ MCS8NSS2  -69 dBm @ MCS6NSS2  -67 dBm @ MCS7NSS2  -64 dBm @ MCS8NSS2  -62 dBm @ MCS9NSS2  -66 dBm @ MCS6NSS2  -65 dBm @ MCS7NSS2  -60 dBm @ MCS8NSS2  -59 dBm @ MCS9NSS2 4.3 Radio Specifications (R250D-E) Table 4-4 Radio specifications Item Description Antenna type Built-in antenna Antenna gain  2.4 GHz: 4 dBi  5 GHz: 5 dBi Maximum number of concurrent users ≤256 Maximum number of VAPs for each radio 16 Maximum transmit power  2.4 GHz: 21 dBm (combined power)  5 GHz: 20 dBm (combined power) NOTE The actual transmit power depends on local laws and regulations. You can adjust the transmit power from the maximum transmit power to 1 dBm, with a step of 1 dB. Maximum number of non-overlapping channels 2.4 GHz 802.11b/g  20 MHz: 3 802.11n  20 MHz: 3  40 MHz: 1 5 GHz  802.11a − 20 MHz: 13  802.11n − 20 MHz: 13 − 40 MHz: NOTE The table uses the number of non-overlapping channels supported by China as an example. The number of non-overlapping channels varies in different countries. For details, see the Country Codes & Channels Compliance.

R250D&R250D-E Product Description 4 Technical Specifications Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 23 Item Description 6  802.11ac − 20 MHz: 13 − 40 MHz: 6 − 80 MHz: 3 Channel rate  802.11b: 1, 2, 5.5, and 11 Mbit/s  802.11a/g: 6, 9, 12, 18, 24, 36, 48, and 54 Mbit/s  802.11n: 6.5 to 300 Mbit/s  802.11ac: 6.5 to 867 Mbit/s Receiver sensitivity (Typical values) 2.4 GHz 802.11b  -97 dBm @ 1 Mbit/s  -95 dBm @ 2 Mbit/s  -94 dBm @ 5.5 Mbit/s  -91 dBm @ 11 Mbit/s 2.4 GHz 802.11g  -93 dBm @ 6 Mbit/s  -92 dBm @ 9 Mbit/s  -90 dBm @ 12 Mbit/s  -89 dBm @ 18 Mbit/s  -87 dBm @ 24 Mbit/s  -84 dBm @ 36 Mbit/s  -80 dBm @ 48 Mbit/s  -78 dBm @ 54 Mbit/s 2.4 GHz 802.11n (HT20)  -93 dBm @ MCS0  -89 dBm @ MCS1  -88 dBm @ MCS2  -85 dBm @ MCS3  -82 dBm @ MCS4  -78 dBm @ MCS5  -76 dBm @ MCS6  -74 dBm @ MCS7  -91 dBm @ MCS8  -87 dBm @ MCS9  -86 dBm @ MCS10  -83 dBm @ MCS11  -80 dBm @ MCS12  -76 dBm @ MCS13  -74 dBm @ MCS14 2.4 GHz 802.11n(HT40)  -90 dBm @ MCS0  -87 dBm @ MCS1  -86 dBm @ MCS2  -83 dBm @ MCS3  -79 dBm @ MCS4  -75 dBm @ MCS5  -74 dBm @ MCS6  -73 dBm @ MCS7  -88 dBm @ MCS8  -85 dBm @ MCS9  -84 dBm @ MCS10  -81 dBm @ MCS11  -77 dBm @ MCS12  -73 dBm @ MCS13  -72 dBm @ MCS14

R250D&R250D-E Product Description 4 Technical Specifications Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 24 Item Description  -72 dBm @ MCS15  -71 dBm @ MCS15 5 GHz 802.11a  -93 dBm @ 6 Mbit/s  -92 dBm @ 9 Mbit/s  -90 dBm @ 12 Mbit/s  -89 dBm @ 18 Mbit/s  -87 dBm @ 24 Mbit/s  -82 dBm @ 36 Mbit/s  -79 dBm @ 48 Mbit/s  -77 dBm @ 54 Mbit/s 5 GHz 802.11n (HT20)  -92 dBm @ MCS0  -90 dBm @ MCS1  -88 dBm @ MCS2  -85 dBm @ MCS3  -81 dBm @ MCS4  -77 dBm @ MCS5  -75 dBm @ MCS6  -74 dBm @ MCS7  -90 dBm @ MCS8  -88 dBm @ MCS9  -86 dBm @ MCS10  -83 dBm @ MCS11  -79 dBm @ MCS12  -75 dBm @ MCS13  -73 dBm @ MCS14  -72 dBm @ MCS15 5 GHz 802.11n (HT40)  -89 dBm @ MCS0  -87 dBm @ MCS1  -85 dBm @ MCS2  -82 dBm @ MCS3  -79 dBm @ MCS4  -75 dBm @ MCS5  -73 dBm @ MCS6  -72 dBm @ MCS7  -87 dBm @ MCS8  -85 dBm @ MCS9  -83 dBm @ MCS10  -80 dBm @ MCS11  -77 dBm @ MCS12  -73 dBm @ MCS13  -71 dBm @ MCS14  -70 dBm @ MCS15 - 5 GHz 802.11ac (VHT20)  -92 dBm @ MCS0NSS1  -90 dBm @ MCS1NSS1  -87 dBm @ MCS2NSS1 5 GHz 802.11ac (VHT40)  -90 dBm @ MCS0NSS1  -87 dBm @ MCS1NSS1  -85 dBm @ MCS2NSS1 5 GHz 802.11ac (VHT80)  -86 dBm @ MCS0NSS1  -83 dBm @ MCS1NSS1  -81 dBm @ MCS2NSS1 -

R250D&R250D-E Product Description 4 Technical Specifications Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 25 Item Description  -84 dBm @ MCS3NSS1  -81 dBm @ MCS4NSS1  -77 dBm @ MCS5NSS1  -75 dBm @ MCS6NSS1  -73 dBm @ MCS7NSS1  -69 dBm @ MCS8NSS1  -90 dBm @ MCS0NSS2  -90 dBm @ MCS1NSS2  -88 dBm @ MCS2NSS2  -85 dBm @ MCS3NSS2  -82 dBm @ MCS4NSS2  -79 dBm @ MCS5NSS2  -75 dBm @ MCS6NSS2  -73 dBm @ MCS7NSS2  -71 dBm @ MCS8NSS2  -81 dBm @ MCS3NSS1  -78 dBm @ MCS4NSS1  -74 dBm @ MCS5NSS1  -73 dBm @ MCS6NSS1  -71 dBm @ MCS7NSS1  -67 dBm @ MCS8NSS1  -65 dBm @ MCS9NSS1  -88 dBm @ MCS0NSS2  -85 dBm @ MCS1NSS2  -83 dBm @ MCS2NSS2  -79 dBm @ MCS3NSS2  -76 dBm @ MCS4NSS2  -72 dBm @ MCS5NSS2  -71 dBm @ MCS6NSS2  -69 dBm @ MCS7NSS2  -65 dBm @ MCS8NSS2  -63 dBm @ MCS9NSS2  -79 dBm @ MCS3NSS1  -76 dBm @ MCS4NSS1  -71 dBm @ MCS5NSS1  -70 dBm @ MCS6NSS1  -68 dBm @ MCS7NSS1  -65 dBm @ MCS8NSS1  -62 dBm @ MCS9NSS1  -84 dBm @ MCS0NSS2  -81 dBm @ MCS1NSS2  -79 dBm @ MCS2NSS2  -77 dBm @ MCS3NSS2  -74 dBm @ MCS4NSS2  -69 dBm @ MCS5NSS2  -68 dBm @ MCS6NSS2  -66 dBm @ MCS7NSS2  -63 dBm @ MCS8NSS2  -60 dBm @ MCS9NSS2 4.4 Standards Compliance Safety standards  UL 60950–1  IEC 60950–1  EN 60950–1  GB 4943

R250D&R250D-E Product Description 4 Technical Specifications Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 26 Radio standards  ETSI EN 300 328  ETSI EN 301 893  FCC Part 15C: 15.247  FCC Part 15C: 15.407  RSS-210  AS/NZS 4268 EMC standards  EN 301 489–1  EN 301 489–17  ETSI EN 60601-1-2  FCC Part 15  ICES-003  YD/T 1312.2-2004  ITU k.21  GB 9254  GB 17625.1  EN 55022  EN 55024  CISPR 22  CISPR 24  IEC61000-4-6  IEC61000-4-2 IEEE standards  IEEE 802.11a/b/g  IEEE 802.11n  IEEE 802.11ac  IEEE 802.11h  IEEE 802.11d  IEEE 802.11e Security Standards  802.11i, Wi-Fi Protected Access 2 (WPA2), and WPA  802.1X  Advanced Encryption Standards (AES) and Temporal Key Integrity Protocol (TKIP)  EAP Type (s) Environment Standards  ETSI 300 019-2-1  ETSI 300 019-2-2

R250D&R250D-E Product Description 4 Technical Specifications Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 27  ETSI 300 019-2-3  ETSI 300 019-1-1  ETSI 300 019-1-2  ETSI 300 019-1-3 EMF  CENELEC EN 62311  CENELEC EN 50385  RSS-102  FCC Part1&2  FCC KDB RoHS  Directive 2002/95/EC & 2011/65/EU Reach  Regulation 1907/2006/EC WEEE  Directive 2002/96/EC & 2012/19/EU FCC Statement  This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: —Reorient or relocate the receiving antenna. —Increase the separation between the equipment and receiver. —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. FCC Radiation Exposure Statement  This device complies with FCC radiation exposure limits set forth for an uncontrolled environment and it also complies with Part 15 of the FCC RF Rules. This equipment must be installed and operated in accordance with provided instructions and the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 25 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End-users and installers must be provide with antenna installation instructions and consider removing the no-collocation statement. This device complies with Part 15 of the FCC Rules. Operation is subject to the

R250D&R250D-E Product Description 4 Technical Specifications Issue 01 (2016-07-05) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 28 following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Caution!  Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

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