Confirmed...after upgrading from 7.10 to 8.04 it defaults to about half
the signal level and sets the bit rate 1M.
Running 'sudo iwconfig wlan0 rate 54M' increases the tranfer rate but
the signal level is still a lot lower then in 7.10.
$ iwconfig wlan0
wlan0 IEEE 802.11g ESSID:"freebsdap"
Mode:Managed Frequency:2.447 GHz Access Point: 00:14:6C:72:86:52
Bit Rate=54 Mb/s Tx-Power=27 dBm
Retry min limit:7 RTS thr:off Fragment thr=2346 B
Link Quality=45/100 Signal level=-60 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
$ sudo lspci -vvv
03:00.0 Network controller: RaLink RT2500 802.11g Cardbus/mini-PCI (rev 01)
Subsystem: ASUSTeK Computer Inc. Unknown device 107f
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 64, Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 11
Region 0: Memory at 38000000 (32-bit, non-prefetchable) [size=8K]
Capabilities: [40] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
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[Hardy] Low bandwidth with rt2400 / rt2500 drivers
https://bugs.launchpad.net/bugs/190515
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