Re: [IRCA] (OT) Re: Wi-Fi legality

[Tim Kridel <tim@xxxxxxxxxxxxx>]

What 4G technology are you switching to? Drop me an e-mail offline.

Granted, EV-DO has been in wide commercial use for several years, but new
versions keep coming out -- currently Rev. A, with Rev. B and UMB waiting in
the wings. 


> From: Rick Kunath <k9ao@xxxxxxxxxxx>
> Reply-To: Mailing list for the International Radio Club of America
> <irca@xxxxxxxxxxxxxxxx>
> Date: Wed, 01 Apr 2009 08:41:56 -0400
> To: Mailing list for the International Radio Club of America
> <irca@xxxxxxxxxxxxxxxx>
> Subject: Re: [IRCA] (OT) Re: Wi-Fi legality
> 
> Patrick Martin wrote:
>> Thanks Tim. As Mike mentioned, divide by 10, more like 2.4-3.6, if the
>> computer is giving me the correct speed. I know when it is in the area
>> of 2.4-3.6 is moves like the wind. Takes less that a second to download
>> updates on the virus protection At dial up 2-3 minutes generally.
> 
> Interesting topic...
> 
> We've been doing mobile data for years in public safety vehicles here.
> Some via the dongles. These are certainly cheaper, but do not have the
> receive or transmit power of a dedicated broadband modem. There are some
> good modems available. Some do interface via USB, the better ones via
> Ethernet on the output side.
> 
> EVDO is pretty old and long in the tooth, 3G has been in use here for a
> while and we're switching to 4G now here. Throughput depends on site
> loading, as channel time-slots are bonded to give you the quoted maximum
> bandwidth that a site can deliver. More users and you get less
> time-slots bonded together and less download bandwidth.
> 
> One thing to keep in mind is that most modern mobile data solutions do
> not have a publicly accessible IP like a normal Internet connection has.
> You pull from inside the network, but cannot use apps that must have a
> defined IP accessible from the outside. We use NetMotion here and run a
> client that connects to a NetMotion server in a real IP network and
> tunnel out from there. This way the device has a real IP presence on the
> Internet. NetMotion is pretty slick in that it can use either the mobile
> data service or WiFi or Ethernet and can figure out the cheapest thing
> to use of what's available at the time. I suppose you could also SSH
> tunnel to an outside box with a real Internet connection too, but either
> way you need something to connect to. Or simple accept that some apps
> are not going to work.
> 
> The other gotcha is that a lot of providers are instituting caps now.
> Some are as low as 5 gigs per month. I don't do downloading of p2p
> stuff, just normal surfing, download new apps, upgrades and the like,
> but run about 25 gigs or so a month. I wouldn't get a week out of a 5
> gig cap. And prices are astronomical after that. So people are getting
> some big overage bills. You need to be sure about the caps, and if you
> can live with them, know exactly how much bandwidth you are using so you
> don't get a surprise. As a corporate customer, we really do get
> essentially unlimited bandwidth here, but consumers on these carriers
> that are now capping don't. So do your homework ahead of time.
> 
> Ever think about going in half and half on that wireless connection you
> were getting? Offer to kick in and lock down the access point so no one
> else sucks off any bandwidth? A good WiFi antenna and a transparent WiFi
> bridge, dirt cheap to setup and you'd have a real LAN there and tons of
> flexibility with a real IP presence.
> 
> Rick Kunath
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