Onko kukaan onnistunut käyttämään ylempiä (DFS) taajuusalueita 5 GHz Wi-Fi -laitteilla?
Oma Linux läppäri ei edes löydä tukiasemaa, jos se käyttää kanavaa joka on korkeampi kun 48. Kaikki muut laitteet toimivat kuitenkin.
$ iw list | grep MHz | grep -v disabled
* 5160 MHz [32] (23.0 dBm)
* 5170 MHz [34] (23.0 dBm)
* 5180 MHz [36] (23.0 dBm)
* 5190 MHz [38] (23.0 dBm)
* 5200 MHz [40] (23.0 dBm)
* 5210 MHz [42] (23.0 dBm)
* 5220 MHz [44] (23.0 dBm)
* 5230 MHz [46] (23.0 dBm)
* 5240 MHz [48] (23.0 dBm)
* 5260 MHz [52] (20.0 dBm) (radar detection)
* 5270 MHz [54] (20.0 dBm) (radar detection)
* 5280 MHz [56] (20.0 dBm) (radar detection)
* 5290 MHz [58] (20.0 dBm) (radar detection)
* 5300 MHz [60] (20.0 dBm) (radar detection)
* 5310 MHz [62] (20.0 dBm) (radar detection)
* 5320 MHz [64] (20.0 dBm) (radar detection)
* 5330 MHz [66] (20.0 dBm) (radar detection)
* 5340 MHz [68] (20.0 dBm) (radar detection)
* 5480 MHz [96] (27.0 dBm) (radar detection)
* 5490 MHz [98] (27.0 dBm) (radar detection)
* 5500 MHz [100] (27.0 dBm) (radar detection)
* 5510 MHz [102] (27.0 dBm) (radar detection)
* 5520 MHz [104] (27.0 dBm) (radar detection)
* 5530 MHz [106] (27.0 dBm) (radar detection)
* 5540 MHz [108] (27.0 dBm) (radar detection)
* 5550 MHz [110] (27.0 dBm) (radar detection)
* 5560 MHz [112] (27.0 dBm) (radar detection)
* 5570 MHz [114] (27.0 dBm) (radar detection)
* 5580 MHz [116] (27.0 dBm) (radar detection)
* 5590 MHz [118] (27.0 dBm) (radar detection)
* 5600 MHz [120] (27.0 dBm) (radar detection)
* 5610 MHz [122] (27.0 dBm) (radar detection)
* 5620 MHz [124] (27.0 dBm) (radar detection)
* 5630 MHz [126] (27.0 dBm) (radar detection)
* 5640 MHz [128] (27.0 dBm) (radar detection)
* 5650 MHz [130] (27.0 dBm) (radar detection)
* 5660 MHz [132] (27.0 dBm) (radar detection)
* 5670 MHz [134] (27.0 dBm) (radar detection)
* 5680 MHz [136] (27.0 dBm) (radar detection)
* 5690 MHz [138] (27.0 dBm) (radar detection)
* 5700 MHz [140] (27.0 dBm) (radar detection)
* 5710 MHz [142] (27.0 dBm) (radar detection)
$ iw reg get
global country FI: DFS-ETSI
(2400 - 2483 @ 40), (N/A, 20), (N/A)
(5150 - 5250 @ 80), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
(5250 - 5350 @ 80), (N/A, 20), (0 ms), NO-OUTDOOR, DFS, AUTO-BW
(5470 - 5725 @ 160), (N/A, 27), (0 ms), DFS
(57000 - 66000 @ 2160), (N/A, 40), (N/A)
$ iwlist wlan0 freq
wlan0 32 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 12 : 2.467 GHz
Channel 13 : 2.472 GHz
Channel 32 : 5.16 GHz
Channel 34 : 5.17 GHz
Channel 36 : 5.18 GHz
Channel 38 : 5.19 GHz
Channel 40 : 5.2 GHz
Channel 42 : 5.21 GHz
Channel 44 : 5.22 GHz
Channel 46 : 5.23 GHz
Channel 48 : 5.24 GHz
Channel 52 : 5.26 GHz
Channel 54 : 5.27 GHz
Channel 56 : 5.28 GHz
Channel 58 : 5.29 GHz
Channel 60 : 5.3 GHz
Channel 62 : 5.31 GHz
Channel 64 : 5.32 GHz
Channel 66 : 5.33 GHz
Channel 68 : 5.34 GHz
Channel 96 : 5.48 GHz
Current Frequency:5.18 GHz (Channel 36)