Если быть точным, то остановилась на 13.5 мбит.
wlan0 IEEE 802.11bgn ESSID:"Bupyc TP-LINK"
Mode:Managed Frequency:2.462 GHz Access Point: 90:F6:52:5B:6D:8C
Bit Rate=13.5 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=38/70 Signal level=-72 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:28 Missed beacon:0
Соединен с маршрутизатором с маршрутизатором той же фирмы, более того их рекомендуют для использования в связке. Под оффтопиком скорость в норме. Под линуксом даже близко к точке скорость не меняется. Она как будто бы заела на этом положении. Вручную через iwconfig скорость также не меняется. Модули:
[bupyc@bupyc-netbook ~]$ lsmod | grep ath
ath9k_htc 49838 0
ath9k_common 1605 1 ath9k_htc
ath9k_hw 324289 2 ath9k_common,ath9k_htc
ath 12382 3 ath9k_common,ath9k_htc,ath9k_hw
mac80211 367579 1 ath9k_htc
cfg80211 155581 3 ath,mac80211,ath9k_htc
usbcore 126764 6 btusb,uhci_hcd,uvcvideo,ehci_hcd,usbhid,ath9k_htc
Кусок из dmesg
[ 3975.908082] usb 1-7: new high-speed USB device number 7 using ehci_hcd
[ 3976.232409] usb 1-7: ath9k_htc: Firmware htc_7010.fw requested
[ 3976.232496] usbcore: registered new interface driver ath9k_htc
[ 3976.385417] usb 1-7: ath9k_htc: Transferred FW: htc_7010.fw, size: 72992
[ 3976.446659] ath9k_htc 1-7:1.0: ath9k_htc: HTC initialized with 45 credits
[ 3976.572433] ath9k_htc 1-7:1.0: ath9k_htc: FW Version: 1.3
[ 3976.572445] ath: EEPROM regdomain: 0x809c
[ 3976.572450] ath: EEPROM indicates we should expect a country code
[ 3976.572456] ath: doing EEPROM country->regdmn map search
[ 3976.572462] ath: country maps to regdmn code: 0x52
[ 3976.572468] ath: Country alpha2 being used: CN
[ 3976.572473] ath: Regpair used: 0x52
[ 3976.578357] ieee80211 phy1: Atheros AR9287 Rev:2
[ 3976.578453] cfg80211: Calling CRDA for country: CN
[ 3976.580523] Registered led device: ath9k_htc-phy1
[ 3976.591363] cfg80211: Current regulatory domain intersected:
[ 3976.591371] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[ 3976.591377] cfg80211: (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[ 3976.591383] cfg80211: (5735000 KHz - 5835000 KHz @ 20000 KHz), (N/A, 3000 mBm)
[ 3976.692677] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 3979.004616] wlan0: authenticate with ********
[ 3979.118700] wlan0: direct probe to ******* (try 1/3)
[ 3979.319706] wlan0: send auth to ********* (try 2/3)
[ 3979.347349] wlan0: authenticated
[ 3979.409059] wlan0: associate with ********* (try 1/3)
[ 3979.413393] wlan0: RX AssocResp from ********* (capab=0x431 status=0 aid=2)
[ 3979.417563] wlan0: associated
[ 3979.417678] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 4186.518961] wlan0: deauthenticating from 90:f6:52:5b:6d:8c by local choice (reason=3)
[ 4186.631209] cfg80211: Calling CRDA to update world regulatory domain
[ 4186.640080] cfg80211: World regulatory domain updated:
[ 4186.640088] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[ 4186.640094] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 4186.640099] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[ 4186.640104] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[ 4186.640108] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 4186.640113] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 4186.640142] cfg80211: Calling CRDA for country: RU
[ 4186.647141] cfg80211: Regulatory domain changed to country: RU
[ 4186.647149] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[ 4186.647154] cfg80211: (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[ 4186.647159] cfg80211: (5735000 KHz - 5835000 KHz @ 20000 KHz), (N/A, 3000 mBm)
[ 4186.833718] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 4187.072750] sky2 0000:09:00.0: eth0: disabling interface
[ 4187.093404] sky2 0000:09:00.0: eth0: enabling interface
[ 4187.093927] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 4187.302727] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 4189.604906] wlan0: authenticate with *********
[ 4189.741783] wlan0: send auth to ********* (try 1/3)
[ 4189.743707] wlan0: authenticated
[ 4189.799047] wlan0: associate with ******** (try 1/3)
[ 4189.802976] wlan0: RX AssocResp from ******* (capab=0x431 status=0 aid=2)
[ 4189.806793] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 4189.806845] wlan0: associated
