A patch was submitted on Aug 25th, 2010 and integrated in 2.6.36. Google the exact phrase "rt2x00: Fix max TX power settings" so, it will be quiet a while before a fedora kernel package sees it. On 08/30/2010 02:22 PM, JB wrote: > JD<jd1008<at> gmail.com> writes: > >> F13, latest updates. >> wifi card: Sparklan wmir-200N >> http://www.sparklan.com/product.php?func=view&prod_id=43 >> Chipset: RT2860/RT2850 >> >> The Datasheet says: >> >> Output Power >> 802.11a: 12.5dBm ± 1.5dBm >> 802.11b: 17dBm ± 1.5dBm >> 802.11g: 14dBm ± 1.5dBm >> 802.11an: 14dBm ± 1.5dBm >> 802.11gn: 14dBm ± 1.5dBm >> >> I am running in g mode (54megabits/s) >> >> $ sudo iwconfig wlan0 >> wlan0 IEEE 802.11abgn ESSID:"Deleted" >> Mode:Managed Frequency:2.462 GHz Access Point: >> aa:bb:cc:dd:ee:ff >> Bit Rate=54 Mb/s Tx-Power=8 dBm<<<===== >> Retry long limit:7 RTS thr:off Fragment thr:off >> Encryption key:off >> Power Management:on >> Link Quality=70/70 Signal level=58 dBm >> Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 >> Tx excessive retries:0 Invalid misc:0 Missed beacon:0 >> >> I tried to set txpower to 14 per datasheet spec: >> >> $ sudo iwconfig wlan0 txpower 14dBm >> Error for wireless request "Set Tx Power" (8B26) : >> SET failed on device wlan0 ; Invalid argument. >> >> The drivers that are loaded for this wifi card are: >> >> rt2800pci 7931 0 >> rt2800lib 27818 1 rt2800pci >> rt2x00pci 5799 1 rt2800pci >> rt2x00lib 25936 3 rt2800pci,rt2800lib,rt2x00pci >> mac80211 182154 2 rt2x00pci,rt2x00lib >> cfg80211 135626 2 rt2x00lib,mac80211 >> eeprom_93cx6 1305 1 rt2800pci >> crc_ccitt 1311 2 rt2800pci,irda >> >> Is this an issue with the wext driver or with the rt2XXXXX drivers? >> > Hi, > $ man iwconfig > ... > txpower > ... > In addition, on and off enable and disable the radio, and auto > and fixed enable and disable power control (if those features > are available). > ... > iwconfig eth0 txpower auto > > $ sudo iwconfig wlan0 > ... > Bit Rate=54 Mb/s Tx-Power=8 dBm<<<===== > ... > > The Tx-Power=8 dBm > means "fixed" power control (as opposite to "auto"). > JB > > -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
