No teraz to generalizujesz. A nie pomyślałeś że to nie openwrt a sterownik od broadcoma tego nie potrafi? Masz na ath9k:
wlan0 Link encap:Ethernet HWaddr 64:70:02:BA:18:5D
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:36 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:5152 (5.0 KiB)
wlan0-1 Link encap:Ethernet HWaddr 66:70:02:BA:18:5D
inet6 addr: fe80::6470:2ff:feba:185d/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:304 (304.0 B) TX bytes:776 (776.0 B)
wlan1 Link encap:Ethernet HWaddr 64:70:02:BA:18:5E
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:40 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:5632 (5.5 KiB)
wlan2 Link encap:Ethernet HWaddr 00:1C:DF:D2:1A:41
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:39 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:5524 (5.3 KiB)
Świeżo zrobione. radio0 to 2.4G, radio1 to 5GHz, radio2 to Belkin na usb.
wlan2 IEEE 802.11bgn Mode:Master Tx-Power=30 dBm
RTS thr:off Fragment thr:off
Power Management:off
wlan1 IEEE 802.11an Mode:Master Tx-Power=15 dBm
RTS thr:off Fragment thr:off
Power Management:off
wlan0-1 IEEE 802.11bgn ESSID:"xxxxxxxx"
Mode:Managed Frequency:2.422 GHz Access Point: 00:xx:xx:xx:xx:xx
Bit Rate=1 Mb/s Tx-Power=20 dBm
RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=70/70 Signal level=-30 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:5 Missed beacon:0
wlan0 IEEE 802.11bgn Mode:Master Tx-Power=20 dBm
RTS thr:off Fragment thr:off
Power Management:off
radio0 to sta+ap, radio1 to ap i radio2 to ap. Działa.
Masz niepotrzebny router, uszkodzony czy nie - chętnie przygarnę go.