Date: Wed, 08 Nov 2000 18:38:48 -0000 (GMT) From: Duncan Barclay <dmlb@ragnet.demon.co.uk> To: "Michael C . Wu" <keichii@peorth.iteration.net> Cc: freebsd-mobile@FreeBSD.ORG Subject: Re: 3com AirConnect (was Re: Addtron wireless awp-100 ) Message-ID: <XFMail.001108183848.dmlb@computer.my.domain> In-Reply-To: <20001108114055.C74554@peorth.iteration.net>
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On 08-Nov-00 Michael C . Wu wrote:
>| > Bill Paul gutted one at the 'con. It contains a Harris chip, but there's
>| > no sign of the AMD part. I'm not sure whether that's because it's
>| > embedded in the Harris part, or whether there's something else funky
>| > going on. If there's Linux support for it, we might be able to learn
>| > something from that. At any rate, Warner has the card now.
>
>| There are only a few people that make 802.11{fh|ds|a} chips:
>|
>| 802.11-Frequency Hopping 2Mb/s
>| Raytheon, using their own MAC (chip is made by VLSI) and
>| discrete RF
>| Current(ish) cards from Webgear
>|
>| Oki, using the 7730 MAC and typically partnered with an old
>| Hewlett Packard RF chipset
>| Current(ish) cards from NDC Comms. InstantWave
>
> This seems like a very military-centric card. Do you know where
> one can get such cards? How far is the range and how well
> does it deal with, say, intentional EMF burns and 802.11 nodes moving at
> high speeds? If this is the case, I am pretty sure that I can get
> an "institution" to pay for the cost of developing a driver on FreeBSD.
To my knowledge these arent mil spec/hardened. Might be worth checking with NDC.
>| 802.11-Direct Sequence 2Mb/s
>| Harris/Intersil, (Prism) using a variety of MACs e.g.
>| AMD/Atmel
>| Many vendors using the already mentioned reference designs
>|
>| Lucent using the WaveLan chips (Hermes)
>| Many vendors using reference designs
>|
>| 802.11b-Direct Sequence 11Mb/s
>| Harris/Intersil, (Prism II) ditto above
>|
>| Lucent/Orinoco. ditto above
>|
>| 802.11a-OFDM 54Mb/s
>| Radidata and a couple of others have announced chipsets, but
>| this stuff is not in products yet. Will be v. nice.
>| Not many MACs announced yet.
>
> In other words, people who use these on their LAPtops may be sterile?
Well, I dont think you can buy any products yet, so it's not a problem yet!
>
>| A few people have their own chipsets for their own products like
>| Proxim.
>|
>| I can probably find out more from work - we've had a hand in some of the
>| above.
>
>
> --
> +------------------------------------------------------------------+
>| keichii@peorth.iteration.net | keichii@bsdconspiracy.net |
>| http://peorth.iteration.net/~keichii | Yes, BSD is a conspiracy. |
> +------------------------------------------------------------------+
>
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