This page tries to list all the legal and technical implications of distributing the different WiFi firmwares for use on Haiku.
While a nice source of info, it is not intended as a user install guide but for Haiku developers and contributors to bring WiFi on Haiku while fully complying to the various vendor licenses.

(author note: 2009-12-4, in construction, please refine/fix/complete)

Intel

Official Downloads: ​http://www.intellinuxwireless.org/?n=downloads&f=ucodes_3945
Official License FAQ: ​http://www.intellinuxwireless.org/?n=FAQ&s=license

Old OSNews Article: ​http://www.osnews.com/story/17444/FreeBSD_Gets_Intel_Approval_for_Redistribution_of_Wireless_Firmware
Should we ask Intel?

Versions recommended for Haiku:
2100 -> 1.3
2200 -> 3.0
3945 -> 2.14.4
4965 -> 4.44.17

ipw3945

2.14.4 Download: ​http://www.intellinuxwireless.org/iwlwifi/downloads/iwlwifi-3945-ucode-2.14.4.tgz
2.14.4 Licence: ​http://www.intellinuxwireless.org/tar.php?p=iwlwifi&f=LICENSE.iwlwifi-3945-ucode&a=iwlwifi-3945-ucode-2.14.4.tgz
2.14.4 Readme: ​http://www.intellinuxwireless.org/tar.php?p=iwlwifi&f=README.iwlwifi-3945-ucode&a=iwlwifi-3945-ucode-2.14.4.tgz

-> Distribution method: seems possible with the image.

ipw4965

4.44.17 Download ​http://www.intellinuxwireless.org/iwlwifi/downloads/iwlwifi-4965-ucode-4.44.17.tgz
4.44.17 Licence ​http://www.intellinuxwireless.org/tar.php?p=iwlwifi&f=README.iwlwifi-4965-ucode&a=iwlwifi-4965-ucode-4.44.17.tgz
4.44.17 Readme ​http://www.intellinuxwireless.org/tar.php?p=iwlwifi&f=LICENSE.iwlwifi-4965-ucode&a=iwlwifi-4965-ucode-4.44.17.tgz

-> Distribution method:

ipw2100

Download: ​http://prdownloads.sourceforge.net/ipw2100/ipw2100-1.2.2.tgz?download
Licence: ​http://ipw2100.sourceforge.net/firmware.php?fid=4

-> Distribution method: post install unmodified download + licence warning ?

ipw2200

Download: ​http://prdownloads.sourceforge.net/ipw2200/ipw2200-1.2.2.tgz?download
License: ​http://www.intellinuxwireless.org/LICENSE.ipw2200-fw

-> Distribution method: probably the same as ipw2100

Broadcom

b43xx

​http://linuxwireless.org/en/users/Drivers/b43#device_firmware

-> Distribution method: post install unmodified download + post download processing + licence warning ?