> > Could someone please suggest me some devices to let me use internet
> > under wireless environment?
> > Is USB device also supported?
> > I found this one 'GW NS54AG' - http://www.planex.co.jp/
> > It looks fine but I am not sure if it be supported well under NetBSD.
> > This is a i386 -current system on ASUS L4000L laptop.

Hi, all.
Finally, I decided to buy Planex GW NS54AG because I was very sure it used
Atheros chipset and had full support for a/b/g, although it was a bit
expensive to me...
But I am very glad to see it works very fine on my laptop -
[...]
ath0 at cardbus0 dev 0 function 0
ath0: mac 5.9 phy 4.3 5ghz radio 3.6
ath0: 11a rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
ath0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
ath0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36M
bps 48Mbps 54Mbps
ath0: turbo rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
[...]

Sorry for the noise and thanks for all reply again.