WLAN support on the AR router

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Definition:
A wireless local area network (WLAN) is a network that uses wireless channels such as radio waves, laser, and infrared rays to replace the transmission media used on a wired LAN.WLAN technology described in this document is implemented based on 802.11 standards. That is, a WLAN is a network that uses high-frequency signals (for example, 2.4 GHz or 5 GHz signals) as transmission media.
802.11 was originally a wireless LAN communications standard defined by the Institute of Electrical and Electronics Engineers (IEEE) in 1997. The IEEE then made amendments to the standard, forming the 802.11 family, including 802.11, 802.11a, 802.11b, 802.11e, 802.11g, 802.11i, and 802.11n.
Purpose:
Wired LANs use wired cables or optical fibers as transmission media, which are expensive and have fixed locations. As people have increasing requirements on network mobility, wired LANs cannot meet these requirements. WLAN technology is then developed. Currently, WLAN has become a cost-efficient network access mode. WLAN technology allows you to easily access a wireless network and move around within the coverage of the wireless network.
Benefit:
- High network mobility: WLANs can be connected easily, which is not limited by cable and port positions. WLANs especially apply to scenarios such as office buildings, airport halls, resorts, hotels, stadiums, and cafes.
- Flexible network deployment: WLANs can provide wireless network coverage in places where cables are difficult to deploy, such as subways and highways. This solution reduces cables, offers ease of implementation at a low cost, and has high scalability.

For details, see WLAN-AC Configuration Guide .

Other related questions:
WLAN security of AR routers
WLAN security is as follows: User access security: Link authentication, access authentication, and data encryption are used to ensure validity and security of user access on wireless networks. Service security: This feature protects service data of authorized user from being intercepted by unauthorized users during transmission. For details, see WLAN Security Configuration.

Introduction to WLAN security of AR routers
WLAN security is as follows: User access security: Link authentication, access authentication, and data encryption are used to ensure validity and security of user access on wireless networks. Service security: This feature protects service data of authorized users from being intercepted by unauthorized users during transmission. For details, see WLAN Security Configuration > Overview .

Configure the WLAN password on AR routers
To configure the WLAN password on AR routers, you need to configure a security profile, and then invoke it in the service set. For details, see the configuration of WLAN authentication and encryption in the security policy in WLAN security configuration of AR routers. For example, use WPA2 authentication and encryption. For details, see "WLAN Security Configuration" in WLAN Security Configuration > Configuring a WLAN Security Policy.

WLAN support on the AR
AR routers allow wireless users to access LANs. All AR routers except AR530&AR550&AR2500 series, AR502G-L-D-H, AR502GR-L-D-H, AR502EG-L, AR502EGW-L, and AR502CG-L support the AC function. Not all the AR routers support the Fat AP function. Only the AR routers of which names contain W support the Fat AP function, for example, AR201VW-P, AR156W, AR157W, AR157VW, AR158EVW, AR161FGW-L, AR201VW-P, AR207VW, AR1220W, and AR1220VW.

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