Date: Wed, 12 Jan 2000 14:19:08 -0500 From: "Eric W. Bates" <ericx@vineyard.net> To: paul@premier-networks.com Cc: freebsd-isp@FreeBSD.ORG Subject: Wireless T1 Message-ID: <200001121919.OAA16229@apache.vineyard.net> In-Reply-To: <3879328D.9FB86A2F@premier-networks.com> References: <3879328D.9FB86A2F@premier-networks.com>
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We have been using C-Spec's equipment successfully for a few years. <http://www.c-spec.com>; || <http://www.overlan.com>. We've been runnning 2Mbps at about $2500/location install (includes parts & labor for antenna mount on roof). Excellent tech support. We've been using 915MHz because it has better foliage penetration and will refract a bit around objects. But Lucent has discontinued manufacture of the chipset. We are now deploying 2.4 GHz. 2.4 is better in urban environs because there is less consumer equipment using that band. Also penetrates walls better, but not so good with trees (water molecules have some sort of resonance near 2.4 so the water in the leaves absorbs the signal). We've also been using the cards with hardware DES. Adds an extra $100, but it essentially prevents our having to worry about theft of service (the units will not report the encryption key) and it gives us bragging rights to the customers (they like encryption even when they understand when we tell them it isn't a VPN). Security on the units is very good. SNMP support is very good. We monitor a number of facets with mrtg. There are a few elements missing. You can filter by ethernet packet type, and you can filter by MAC address, but you cannot filter by tcp/udp port. e.g. the dreaded MS browsing packets. The devices can be configured as routers (instead of bridges), but the Overlan's do not support DHCP relay. Upshot is that our wireless customers can browse one another's MS shares unless they install separate equipment at their location to filter netbios. Tower space is a problem. What cost $300/month 2 years ago now costs $2000/month because of the cell phone companies pushing to deploy their digital services (shorter ranges). Since these unlicensed bands are limited to 1 Watt, you have to have LOS. Spun off from the company is Pinnacle Communications <http://www.pinnaclecomm.com>. Same basic hardware. Same basic software (the software author founded the new company). Cheaper prices, snazzier case. Haven't actually tried it yet. They sell an 11Mbps 2.4GHz system (same Lucent chipset as in the Apple Airport and iBooks). We have also tried using BreezeComm equipment but had a number of bad experiences and returned the equipment. > From: paul@premier-networks.com > Date: Sun, 09 Jan 2000 20:14:53 -0500 > > Does anyone know of a cost effective way to provide between 128K and T1 > speeds over wireless equipment? I need something slick but not > expensive... > > Thanks, > > Paul > -- Eric W. Bates To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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