Appleinfo: Re: [apple-iphone] CDMA SIM Card

vendredi 18 janvier 2013

Re: [apple-iphone] CDMA SIM Card

They were shut. I was looking forward to get some info from this group as
there are people from USA.

Vishal Sheth
On Jan 19, 2013 2:36 AM, "N.A. Nada" whodo678@comcast.net> wrote:

> **
>
>
> I am not totally up to date on cellular things, but... with a quick web
> search for RUIM, I found the following:
>
> "Removable User Identity Module (R-UIM) is a card developed for
> cdmaOne/CDMA2000 ("CDMA") handsets that extends the GSM SIM card to CDMA
> phones and networks. To work in CDMA networks, the R-UIM contains an early
> version of the CSIM application. The card also contains SIM (GSM)
> application, so it can work on both networks. It is physically compatible
> with GSM SIMs and can fit into existing GSM phones as it is an extension of
> the GSM 11.11 standard.[1]" from:
>
> http://en.wikipedia.org/wiki/Removable_User_Identity_Module
>
> I was surprised to find from reviewing the previously suggested Wiki page,
> that there are 5 cellular providers in the US that provide both GSM and
> CDMS. But the page does say that the information might be out of date.
>
> Thank you for informing me on the existence of RUIM cards.
>
> Have you tried contacting Sprint or Verizon for your answer?
>
> Brent
>
> On Jan 18, 2013, at 3:27 AM, Vishal Sheth wrote:
>
> Traditionally cdma does not have sim cards. But now they've started giving
> RUIM cards which are similar to gsm sim cards. For iphone cdma part is
> programmed in the phone. US cellular in USA has started giving RUIM card
> based phones along with cards.
>
> On Jan 18, 2013 4:27 PM, "N.A. Nada" whodo678@comcast.net> wrote:
>
> > **
> >
> >
> > There is no such thing as a CDMA SIM card.
> >
> > For the iPhone, I understand, Verizon provides a SIM card for their
> iPhone
> > so that it can use GSM internationally, but the phone is CDMA for US
> > service. I believe the Verizon iPhone is the only phone that can do both.
> > The AT&T iPhone can only do GSM voice.
> >
> > A quick web search found this list of carriers and which cellular
> > transmission they use:
> >
> >
> >
> http://en.wikipedia.org/wiki/List_of_United_States_wireless_communications_service_providers
> >
> > Just remember GSM, SIM card. CDMA, no SIM card.
> >
> > On Jan 17, 2013, at 6:55 PM, Vishal Sheth wrote:
> >
> > Does Sprint/Verizon give CDMA SIM card like US cellular? What about other
> > operators like Straight Talk, etc?
> >
> > Vishal Sheth
>
> [Non-text portions of this message have been removed]
>
>
>

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