Technical Info

Linksys WET 11 DHCP Packet Dumps

More from Bruce Matson on the WET 11 front. Here he has packet dumps of the WET 11 in response to DHCP requests.

Linksys WET 11 Ping Packet Dumps

NoCatter Bruce Matson is analyzing the WET 11 in various ways. This is his first effort in which he examines packet dumps from and over the WET 11 as it responds to ICMP echo requests. This is part of Bruce's effort to determine why the WET 11 has trouble with DHCP requests.

Community IP Allocations

The Network Address Allocation list from FreeNetworks.org. If you have a community network, and want to participate in the shared reserved network numbering scheme, reserve some space here.

802.11a/b band plan

Here's a handy band plan, antenna gain, and power limit chart for 802.11a and 802.11b. From Cisco.

Red Sea Link

An interesting writeup of a point-to-point link in Hurghada, Egypt. Pringles didn't do it, but that didn't stop Hassan Adly.

Software AP for Prism cards

This is the infamous Host AP driver for Linux, by Jouni Malinen.

Power over Ethernet guide

A really nice PoE writeup from NYC Wireless.

NoCat 802.11b FAQ

A first run at an 802.11b FAQ. Send updates, additions, etc. to faq (at) nocat (dot) net.

Building Wireless Gateways with 802.11b

How-to for Linux by Schuyler. Step-by-step, with links and sample configuration files.

An Overview of the 802.11b Spec

Rob covers some of the conceptual highlights, and discusses tips for tweaking an existing network.

Lucent's WaveLAN Wireless Card

Rob's original article on configuring clients with 802.11b. Linux and Windoze are covered, but ignore the Linux stuff. Plus more links.

Linux Wireless Tools + Wavelan driver

The place to get iwconfig and the WaveLan driver, plus info on setting it up. You might also try the new orinoco_cs driver, if you're running Linux 2.4.x...

Some FCC Part 15 Rules

Tim Pozar's interpretation of the FCC Part 15 Rules on the ISM band (made for the BAWUG).

Finding Radio Manufacturers by MAC Address!!!
Do-It-Yourself Access Point Hardware!!!

Antennas, etc.

LMR chart

Handy LMR reference chart, from CEPA Inc. Loss at multiple frequencies, power rating, tensile strength, and a bunch of other stats for LMR-100A through LMR-1700.

FAB Corp wireless

A Wireless vendor with a wide range of reasonably priced gear. Mention that you're a NoCat member for a discount...

Primestar BiQuad feed

Interesting homemade feed for a Primestar dish. Reportedly pulls 27 to 31dBi!

Pigtails

If you want to connect your radio to an external antenna, you'll need a 'Pigtail' adapter. Look here for some good sources.

2.4GHz Antenna Intro

An article called "Antennas Enhance WLAN Security" from Byte. It should probably have been called "Everything you ever wanted to know about microwave antennas but were afraid to ask..."

Coffee can antennas

A couple of novel 2.4GHz coffee can antenna designs, from the Cyclone Amateur Radio Club.

Pringles can antenna

Build your own yagi-in-a-can for a few dollars.

Microwave Connector Reference

Our official microwave coax connector reference, complete with pictures.

Another Microwave Connector Guide

A list of frequently used microwave connectors (N,TNC,BNC,SMA,etc) with pictures, put together by your friend and mine, the U.S. Naval Air Warfare Center, Weapons Division.

Interactive Wireless Design CGIs

Some really nifty utilities for calculating Fresnel Zone, Antenna Tilt, Bearing, and even analyzing a wireless link.

NetNimble.com

Cheap antennas and more from Sacramento

SuperPass

Well built, inexpensive sector antennas, etc. From Canada.

Streakwave

Reseller of pigtails, antennas, amps (!?), cable, etc. Located in Santa Clara. Carl Moberg of Streakwave donated gear to NoCat.

DownEast Microwave

Ham supplier from New Jersey. Interesting collection of odds and ends.

Aligning Antennas at Long Distances

Mapping

Maps.NoCat.net

Links to mapping and geographic information, and the NoCat Mapping Project.

Fellow Community Wireless Network Groups

Bay Area Wireless User Group (BAWUG)

They don't build networks, but they do know alot about it. The largest group in the SF Bay Area.

Bay Area Research Wireless Network.

BAWUG doesn't build networks, but these BAWUG movers and shakers do! With antenna sites in some of the highest places, they are moving fast!

Marin Wireless

A new group bringing WiFi to Marin County, CA.

Seattle Wireless

One of the first community wireless networks, and probably one of the largest.

Personal Telco

The Personal Telco Project, Portland, OR.

NYC Wireless

Wireless Community Networking in New York City

Irish Wide Area Network

Wireless Community Networking across Ireland

Austin Wireless

Wireless Internet Everywhere for Austin and surrounding communities

Reno Area Wireless User's Group

The Reno Area Wireless Users Group is in its infacy, and picking up steam

NZWireless.org

New Zealand Based wireless community.

La Cañada Wireless

A co-op in Santa Fe, started about a year ago and coming along very nicely.

Toaster.net

Toaster.net's community wireless network list.

Personal Telco's List

A Definitive group list from PTP.

Ex-Yugo Republics - Wireless Network Groups

http://www.zgwireless.net Što je ZGWireless? | Kako upasti? | Karta grada | Lista nodeova | Galerija | Korisni linkovi

http://fsbwireless.fsb.hr (PDF file-ovi o...) O stetnosti WiFi mreza za zdravlje, Assembly instructions za N type konektor,
Pregled wlan opreme - antene,   kabolovi, konektori, gubici na kablovima

http://www.nedwireless.net  informacije o Udruzi NEDWireless, Nedelišce wireless mreži

http://www.nsmreza.co.yu/samogradnja.htm Uputstvo za montiranje konektora na PCMCIA karticu by NSW

Ima lepa (i podugacka) lista wireless lan karti sa kratim opisom (cipset, port [pci, pcmcia, cf, itd]), ponekom slikom, a u komentaru ima i opis da li postoji drajver za linux i koji. Lista se nalazi na ovom linku.  Na ovim linkovima su podaci o jacini , vrsti konektora, ceni i td. http://consume.andylaurence.co.uk/cards.shtml, http://www.seattlewireless.net/index.cgi/Client_5fAdapters_5f802_5f11b
Napomena za ljude koji hoce da koriste linux za svoj server i wireless mrezu, da za 802.11g ima drajvera, ali za sada samo za one sa PrismGT chipom i mogu da se nadju na www.prism54.org sajtu, u verzijama za 2.4 i 2.6 kernele. A koje su karte sa PrismGT cipom, mozete videti na linku.