iwlist rate
lo        no bit-rate information.

eth0      no bit-rate information.

irda0     no bit-rate information.

wmaster0  no bit-rate information.
 
wlan0     unknown bit-rate information.

wifi0     no bit-rate information.

ath0      12 available bit-rates :
      1 Mb/s
      2 Mb/s
      5.5 Mb/s
      6 Mb/s
      9 Mb/s
      11 Mb/s
      12 Mb/s
      18 Mb/s
      24 Mb/s
      36 Mb/s
      48 Mb/s
      54 Mb/s
          Current Bit Rate:54 Mb/s

pan0      no bit-rate information.

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