Warunki... O ile 2,4ghz to jeden wielki śmieć:
root@WDR4300:~# iwinfo wlan0 scan
Cell 01 - Address: 00:12:2A:92:6B:D8
ESSID: "NETIASPOT-926BD0"
Mode: Master Channel: 1
Signal: -54 dBm Quality: 56/70
Encryption: mixed WPA/WPA2 PSK (TKIP, CCMP)
Cell 02 - Address: CC:B2:55:5F:9F:4C
ESSID: "Reja"
Mode: Master Channel: 1
Signal: -86 dBm Quality: 24/70
Encryption: mixed WPA/WPA2 PSK (TKIP, CCMP)
Cell 03 - Address: 10:FE:ED:3D:CB:82
ESSID: "PATRYCJA_Network_2"
Mode: Master Channel: 1
Signal: -83 dBm Quality: 27/70
Encryption: mixed WPA/WPA2 PSK (TKIP, CCMP)
Cell 04 - Address: 6C:8B:2F:E7:8D:F5
ESSID: "t-mobile.pl_276876"
Mode: Master Channel: 1
Signal: -83 dBm Quality: 27/70
Encryption: mixed WPA/WPA2 PSK (TKIP, CCMP)
Cell 05 - Address: 00:12:2A:92:6B:DA
ESSID: "FON_NETIA_FREE_INTERNET"
Mode: Master Channel: 1
Signal: -54 dBm Quality: 56/70
Encryption: none
Cell 06 - Address: F8:1A:67:39:D6:DE
ESSID: "Kalafior"
Mode: Master Channel: 1
Signal: -81 dBm Quality: 29/70
Encryption: WPA2 PSK (TKIP, CCMP)
Cell 07 - Address: 64:70:02:4A:3C:C2
ESSID: "domix"
Mode: Master Channel: 1
Signal: -91 dBm Quality: 19/70
Encryption: mixed WPA/WPA2 PSK (CCMP)
Cell 08 - Address: C8:3A:35:15:D5:40
ESSID: "PENTAGRAM"
Mode: Master Channel: 1
Signal: -56 dBm Quality: 54/70
Encryption: none
Cell 09 - Address: 42:AB:25:5A:5B:53
ESSID: "CellPipe_5B5E"
Mode: Master Channel: 1
Signal: -90 dBm Quality: 20/70
Encryption: WPA PSK (TKIP)
Cell 10 - Address: B8:A3:86:12:A0:26
ESSID: "ROAD"
Mode: Master Channel: 2
Signal: -91 dBm Quality: 19/70
Encryption: mixed WPA/WPA2 PSK (TKIP, CCMP)
Cell 11 - Address: 10:FE:ED:A0:4C:D8
ESSID: "Rodzice"
Mode: Master Channel: 4
Signal: -62 dBm Quality: 48/70
Encryption: WPA2 PSK (CCMP)
Cell 12 - Address: 84:C9:B2:AA:0F:04
ESSID: "orgel"
Mode: Master Channel: 3
Signal: -87 dBm Quality: 23/70
Encryption: mixed WPA/WPA2 PSK (TKIP, CCMP)
Cell 13 - Address: B0:48:7A:F8:67:5A
ESSID: "Krespo"
Mode: Master Channel: 1
Signal: -85 dBm Quality: 25/70
Encryption: mixed WPA/WPA2 PSK (CCMP)
Cell 14 - Address: 14:D6:4D:36:3D:56
ESSID: "elektryk2000"
Mode: Master Channel: 3
Signal: -92 dBm Quality: 18/70
Encryption: mixed WPA/WPA2 PSK (TKIP, CCMP)
Cell 15 - Address: 64:70:02:F9:39:C8
ESSID: "Rodzice"
Mode: Master Channel: 4
Signal: -82 dBm Quality: 28/70
Encryption: WPA2 PSK (CCMP)
Cell 16 - Address: 00:27:19:1D:0B:CA
ESSID: "homolki"
Mode: Master Channel: 6
Signal: -66 dBm Quality: 44/70
Encryption: mixed WPA/WPA2 PSK (TKIP, CCMP)
Cell 17 - Address: 00:25:86:BC:7A:4A
ESSID: "TP-Link TL-WR340G"
Mode: Master Channel: 6
Signal: -78 dBm Quality: 32/70
Encryption: WEP Open/Shared (WEP-40, WEP-104)
Cell 18 - Address: 30:46:9A:85:F7:22
ESSID: "slowackiego"
Mode: Master Channel: 6
Signal: -68 dBm Quality: 42/70
Encryption: WPA2 PSK (CCMP)
Cell 19 - Address: 00:19:5B:00:FA:89
ESSID: "dlink"
Mode: Master Channel: 6
Signal: -86 dBm Quality: 24/70
Encryption: WPA PSK (TKIP)
Cell 20 - Address: 00:24:01:18:58:B9
ESSID: "HANIA"
Mode: Master Channel: 6
Signal: -90 dBm Quality: 20/70
Encryption: WPA PSK (TKIP)
Cell 21 - Address: 00:23:CD:F5:CC:5C
ESSID: "CZEKOLADA"
Mode: Master Channel: 6
Signal: -93 dBm Quality: 17/70
Encryption: WPA2 PSK (CCMP)
Cell 22 - Address: 00:23:CD:DB:05:BA
ESSID: "Tesco sp.z.o.o"
Mode: Master Channel: 6
Signal: -84 dBm Quality: 26/70
Encryption: mixed WPA/WPA2 PSK (TKIP, CCMP)
Cell 23 - Address: 00:27:22:2C:25:BF
ESSID: "eth.net.pl_005G2"
Mode: Master Channel: 8
Signal: -70 dBm Quality: 40/70
Encryption: WPA PSK (CCMP)
Cell 24 - Address: 00:27:19:E0:EB:26
ESSID: "this too shall pass"
Mode: Master Channel: 7
Signal: -88 dBm Quality: 22/70
Encryption: WEP Open/Shared (WEP-40, WEP-104)
Cell 25 - Address: C0:4A:00:D9:0A:22
ESSID: "belzebub1"
Mode: Master Channel: 7
Signal: -90 dBm Quality: 20/70
Encryption: WPA2 PSK (TKIP)
Cell 26 - Address: E0:69:95:A9:E2:80
ESSID: "mikoland10"
Mode: Master Channel: 11
Signal: -71 dBm Quality: 39/70
Encryption: WPA PSK (TKIP, CCMP)
Cell 27 - Address: 00:21:86:E1:4B:21
ESSID: "neostrada_3de9"
Mode: Master Channel: 10
Signal: -92 dBm Quality: 18/70
Encryption: WPA PSK (TKIP, CCMP)
Cell 28 - Address: DC:02:8E:7A:64:41
ESSID: "Livebox-6441"
Mode: Master Channel: 11
Signal: -80 dBm Quality: 30/70
Encryption: mixed WPA/WPA2 PSK (TKIP, CCMP)
Cell 29 - Address: 64:70:02:75:0A:F6
ESSID: "wera1406"
Mode: Master Channel: 11
Signal: -80 dBm Quality: 30/70
Encryption: WPA2 PSK (TKIP, CCMP)
Cell 30 - Address: 00:1E:2A:65:22:34
ESSID: "Julita"
Mode: Master Channel: 11
Signal: -86 dBm Quality: 24/70
Encryption: mixed WPA/WPA2 PSK (TKIP, CCMP)
Cell 31 - Address: 54:E6:FC:F7:18:A0
ESSID: "D28834"
Mode: Master Channel: 11
Signal: -91 dBm Quality: 19/70
Encryption: WEP Open/Shared (WEP-40, WEP-104)
Cell 32 - Address: 54:E6:FC:E7:ED:E4
ESSID: "Balon_net"
Mode: Master Channel: 11
Signal: -79 dBm Quality: 31/70
Encryption: mixed WPA/WPA2 PSK (TKIP, CCMP)
Cell 33 - Address: C8:D3:A3:34:BB:A4
ESSID: "aniusia"
Mode: Master Channel: 12
Signal: -86 dBm Quality: 24/70
Encryption: mixed WPA/WPA2 PSK (TKIP, CCMP)
to 5ghz jest czyściutkie. Poza mną nikt w zasięgu nie używa tego pasma. Odległość od routera jakieś 5-6m, przez jedną ścianę (cegła 10cm), ale bezpośrednio obok routera osiągi te same 
OpenWrt: WAX206/NWA50AX/EA6350v3 || W szufladzie: WNDR4300/TL-WDR4300/SR3200