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  • Registered: ‎02-14-2020
  • Location: US
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Y530 RTL8822BE AC5GHZ only working in wifi 4/802.11n

2020-02-14, 18:05 PM

my wireless NIC clearly states that it supports 802.11ac

Interface name: Wi-Fi

Driver : Realtek 8822BE Wireless LAN 802.11ac PCI-E NIC
Vendor : Realtek Semiconductor Corp.
Provider : Realtek Semiconductor Corp.
Radio types supported : 802.11n 802.11g 802.11b 802.11ac 802.11n 802.11a
FIPS 140-2 mode supported : Yes
802.11w Management Frame Protection supported : Yes
Hosted network supported : No
Authentication and cipher supported in infrastructure mode:
Open None
WPA2-Personal CCMP
Open WEP-40bit
Open WEP-104bit
Open WEP
WPA-Enterprise TKIP
WPA-Personal TKIP
WPA2-Enterprise TKIP
WPA2-Personal TKIP
WPA-Enterprise CCMP
WPA-Personal CCMP
WPA2-Enterprise CCMP
WPA3-Personal CCMP
Vendor defined TKIP
Vendor defined CCMP
Vendor defined Vendor defined
Vendor defined Vendor defined
WPA2-Enterprise Vendor defined
WPA2-Enterprise Vendor defined
Vendor defined Vendor defined
Vendor defined Vendor defined
Wireless Display Supported: Yes (Graphics Driver: Yes, Wi-Fi Driver: Yes)

in the product spec page it says


  • TFBGA 6.5x6.5mm package
  • 802.11 ac/abgn
  • 802.11ac 2x2, Wave-2 compatible with MU-MIMO
  • Bluetooth 4.2 (Software only)


butI can't connect to any AC network using the wifi5 protocol, it only connects using wifi4


the reason I bought this laptop was because it was supposed to support AC mu-mimo, but apparently it did not


is my NIC broken or is it just false advertisement from lenovo?

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