I'm not qualified to jump in here, but a column I like goes into this quite a bit. Go to www.pbs.org/cringely/oldhat.html and follow Cringely's wireless adventures. Randy Donohoe ----- Original Message ----- From: "Keith Morse" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, November 30, 2002 12:36 AM Subject: Re: this is pretty cool
> On Fri, 29 Nov 2002, David A. Bandel wrote: > > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > On Fri, 29 Nov 2002 11:57:21 -0800 (PST) > > begin Keith Morse <[EMAIL PROTECTED]> spewed forth: > > > > > Just out of curiousity, you had mentioned awhile ago about doing 15 mile > > > > > > link and was wondering how that went? Also are you using linux for > > > ap's? > > > > Piece of cake. Running at 5.5Mb (sometimes 11Mb). Using 24dbi grid > > antenna w/ short (50') LMR-400 cable, you get 4 watts at the antenna > > (15dbi from the card, plus 24dbi antenna, minus 3 dbi drop in the cable is > > 36dbi == 4 watt). I could probably do better if I could actually see how > > well the antenna are aimed at each other. A little tuning might also > > help. But the link is solid. I could drop down to 1 or 2 Mbs and go over > > 30 miles. > > > > I use AP-3s (aka AP-2000's). They have their own "system". To connect > > out to the Internet I use a Linux box as a router (the APs are bridges). > > > > > Neat. We're providing a limited wireless ISP service to business > customers only. Only two pop's so far and using Lucent's COR/ROR for the > backhaul. The pop's are only 4 miles apart. The remote is experiencing > a lot of noise which has steadily built up over the last two years. We're > in the process of moving it now. Typical CPE is either a linux box with > pci pcmica card adapter and a orinoco card (my preference) or a Cisco pix > with an ethernet converter. The ap's are AP-500's. > > I understand about the tuning aspects. Those grid antennae mounts are not > what I'd called masters of precision, but they work well enough. > > > > _______________________________________________ > Linux-users mailing list > [EMAIL PROTECTED] > Unsubscribe/Suspend/Etc -> http://www.linux-sxs.org/mailman/listinfo/linux-users _______________________________________________ Linux-users mailing list [EMAIL PROTECTED] Unsubscribe/Suspend/Etc -> http://www.linux-sxs.org/mailman/listinfo/linux-users
