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 <k...@charter.net> > Reply-To: Mailing list for the International Radio Club of America > <irca@hard-core-dx.com> > Date: Wed, 01 Apr 2009 08:41:56 -0400 > To: Mailing list for the International Radio Club of America > <irca@hard-core-dx.com> > 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 > _______________________________________________ > IRCA mailing list > IRCA@hard-core-dx.com > http://montreal.kotalampi.com/mailman/listinfo/irca > > Opinions expressed in messages on this mailing list are those of the original > contributors and do not necessarily reflect the opinion of the IRCA, its > editors, publishing staff, or officers > > For more information: http://www.ircaonline.org > > To Post a message: irca@hard-core-dx.com > > _______________________________________________ IRCA mailing list IRCA@hard-core-dx.com http://montreal.kotalampi.com/mailman/listinfo/irca Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers For more information: http://www.ircaonline.org To Post a message: irca@hard-core-dx.com
