Skip site navigation (1)Skip section navigation (2)
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>

next in thread | previous in thread | raw e-mail | index | archive | help

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. |
> +------------------------------------------------------------------+
> 

---


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-mobile" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?XFMail.001108183848.dmlb>