No 2GHz-N connection - help

RouterOS Wireless Networking
1

Hello. I have a problem with 2GHz WiFi. The connection in N. doesn’t work. It only connects in G despite the G / N setting. The board is RB433GL, card R52nM.

name="Test2GHz" mtu=1480 l2mtu=1600 mac-address=D4:CA:6D:xx:xx:xx 
      arp=enabled interface-type=Atheros AR92xx mode=ap-bridge ssid="Test2GHz" 
      frequency=2447 band=2ghz-g/n channel-width=20/40mhz-XX 
      secondary-channel="" scan-list=default wireless-protocol=any 
      vlan-mode=no-tag vlan-id=1 wds-mode=disabled wds-default-bridge=none 
      wds-ignore-ssid=no bridge-mode=enabled default-authentication=yes 
      default-forwarding=yes default-ap-tx-limit=0 default-client-tx-limit=0 
      hide-ssid=no security-profile=WPA2 compression=no

I use RouterOS v 6.45.3

2

Problem solved. It turned out that when enabled in security “aes ccm” devices connect in “N”