
Huawei eKitEngine AP661 is an indoor AP in compliance with Wi-Fi 6 (802.11ax). It can simultaneously provide services on 2.4 GHz (2x2 MIMO), 5 GHz (2x2 MIMO) and 5 GHz (4x4 MIMO) frequency bands, achieving a device rate of up to 6.575 Gbps. Built-in smart antennas of the AP enable always-on Wi-Fi signals for users, significantly enhancing users' wireless experiences. These strengths make it ideal for densely populated scenarios such as mobile office, education, and stadiums.
Wi-Fi 6 (802.11ax) standard
MU-MIMO
The AP supports MU-MIMO and supports a maximum of eight spatial streams, two spatial streams on the 2.4 GHz frequency band and six spatial streams on the 5 GHz band (two on the high-frequency band and four on the low-frequency band). The MU-MIMO technology enables an AP to send data to multiple STAs simultaneously, which doubles the radio spectrum resource usage, increases the number of access users and bandwidth, and improves user experience in high-density access scenarios.
Smart antenna
The dual-band smart antenna array technology and intelligent switchover algorithm enable the AP to intelligently sense the application environment and access density, achieving accurate Wi-Fi coverage and interference suppression. They together provide the optimal coverage direction and signal quality for each access STA, and offer seamless and smooth wireless network experience to users.
High-speed access
The AP supports 160 MHz frequency bandwidth, which increases the number of available data subcarriers and expands transmission channels. In addition, the AP adopts 1024-QAM and MU-MIMO to achieve a rate of up to 0.575 Gbps on the 2.4 GHz band and 6 Gbps on the 5 GHz band, meaning up to 6.575 Gbps for the device.
High Density Boost technology
Huawei uses the following technologies to address challenges in high-density scenarios, including access problems, data congestion, and poor roaming experience:
SmartRadio for air interface optimization
Air interface performance optimization
In high-density access scenarios, access of many low-rate STAs consumes many resources on the air interface,compromises the AP capacity, and degrades user experience. To address this issue, the AP checks the access rate ofSTAs and denies access of low-rate or weak-signal STAs. In addition, the AP monitors the rate and signal strength ofonline STAs in real time, and forcibly disconnects low-rate or weak-signal STAs and then steer such STAs to APs withstronger signals. This STA access control technology can increase air interface efficiency and allow access of moreSTAs.
5G-prior access
The AP supports both 2.4 GHz and 5 GHz frequency bands. The 5G-prior access function enables the AP to steerSTAs to the 5 GHz frequency band preferentially, which reduces loads and interference on the 2.4 GHz frequencyband, improving user experience.
Wired and wireless security guarantee
To ensure data security, Huawei APs integrate wired and wireless security measures and provide comprehensive security protection.
Authentication and encryption for wireless access
The AP supports WEP, WPA/WPA2-PSK, WPA3-SAE, WPA/WPA2-PPSK, WPA/WPA2/WPA3-802.1X, and WAPIauthentication/encryption modes to ensure the security of wireless networks. The authentication mechanism isused to authenticate user identities so that only authorized users can access network resources. The encryptionmechanism is used to encrypt data transmitted over wireless links to ensure that data can only be received andparsed by authorized users.
Analysis on non-Wi-Fi interference sources
The AP can perform spectrum analysis to identify non-Wi-Fi interference sources, including baby monitors,Bluetooth devices, digital cordless phones (on the 2.4 GHz frequency band only), wireless audio transmitters (on both the 2.4 GHz and 5 GHz frequency bands), wireless game controllers, and microwave ovens. Coupled with Huawei's NMS, the AP can accurately detect interference sources and display their spectrum, helping administrators eliminate the interference in a timely manner.
Rogue device monitoring
The AP provides the wireless intrusion detection system (WIDS)/wireless intrusion prevention system (WIPS) attackdetection mechanism to monitor, identify, defend against, contain, and perform refined management on roguedevices, providing security guarantees for air interface environment and wireless data transmission.
Authentication and encryption for wired access
The AP access control mechanism ensures that only authorized users can access the AP. CAPWAP link protection aswell as DTLS and IPsec encryption provide security guarantee and improve data transmission security between theAP and WAC.
Automatic radio calibration
Automatic radio calibration allows the AP to collect signal strength, channel, and other parameters of surrounding APs and generate an AP topology according to the collected data. Based on interference from other authorized APs, rogue APs, and non-Wi-Fi interference sources, and their loads, the AP automatically adjusts its transmit power and working channel to make the network operate at the optimal performance. In this way, network reliability and user experience are improved.
Automatic application identification
The AP uses smart application control technology to implement visualized management and control over Layer 4 to Layer 7 applications.
Traffic identification
Coupled with a Huawei WAC, the AP can identify over 1500 common applications in various office scenarios. Basedon the identification results, the AP can perform policy control on user services, including priority adjustment,scheduling, blocking, and rate limiting, to maximize bandwidth utilization and improve quality of key services.
Traffic statistics collection
Traffic statistics of each application can be collected globally, by SSID, or by user. In this way, networkadministrators can gain insights into application use status on the network, and network administrators oroperators can implement visualized control on service applications on smart terminals, enhancing security andensuring efficient bandwidth control.
Leader AP
In small- and medium-sized enterprises (SMEs), one AP can be configured as the leader AP and function as the virtual WAC to manage other Fit APs. In addition, no AP management license needs to be purchased, which effectively reduces customer investment.
Cloud management
The AP supports cloud-based management. It provides various authentication functions, such as PSK, Portal, SMS, and social media authentication, without the need of a WAC or an authentication server. This greatly simplifies networking and reduces CAPEX. In addition, the AP can be deployed on a cloud management platform to implement cloud-based network planning, deployment, inspection, and O&M. In multi-branch deployment scenarios, after cloud APs are pre-configured on the cloud management platform, deployment personnel only need to power on the cloud APs on site, connect them to network ports of switches, and scan their QR codes to achieve plug-and-play. Then the pre-configurations are automatically delivered to the APs. This greatly accelerates network deployment. The cloud management platform can monitor the network status, device status, and STA connection status at all sites of tenants in a comprehensive and intuitive manner.
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