Date: Tue, 23 Jan 2001 00:17:47 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: keichii@peorth.iteration.net Cc: grog@lemis.com (Greg Lehey), brad.knowles@skynet.be (Brad Knowles), kris@FreeBSD.ORG (Kris Kennaway), freebsd-chat@FreeBSD.ORG Subject: Re: GSM vs. CDMA (was: VCD (was Re: cvs commit: src/sys/dev/ata atapi-cd.c)) Message-ID: <200101230019.RAA05346@usr08.primenet.com> In-Reply-To: <20010121182033.C44819@peorth.iteration.net> from "Michael C . Wu" at Jan 21, 2001 06:20:33 PM
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> GSM is a set of protocol for mobile phones, and so is PCS. > I tend to think of them as being comparable to TCP vs. UDP. [ ... ] > | Don't forget that they have recently started introducing GSM into the > | USA. I've found that it works better than the CDMA service. This has > | nothing to do with the relative merits of the technology, but with the > | fact that the service providers learnt that their cell placement was > | too sparse for the old analogue/*DMA network, and they placed them > | closer for GSM. > > Yes, I recently switched from AT&T PCS to Voicestream GSM in America. The salient point is that GSM is not all you need to hook in. In case this wasn't obvious: don't expect your GSM phone from outside the US to work in the US, Canada, or Mexico. The US GSM system uses a different set of frequencies, so unless your phone is multifrequency as well as multimode, it won't work. Actually, I've only seen a couple of phones that are capable of multimode _and_ multifrequency, and they were very expensive; you might as well just have two phones... Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message
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