What moblie service to get, part 2
adrian cockcroft
adrian.cockcroft at gmail.com
Sat Mar 10 01:11:05 CET 2007
I've had Cingular unlimited for a year or two on a Treo 650. The basic
plan (national roaming, and a bunch of minutes with rollover) is about
$40/month, then the unlimited data plan adds $35, and with a few text
messages (which are extra charge) added on top my monthly bill is
about $80. I got a big discount on the Treo650 for a two year commit
to this. The SIM card does work in other phones, I have used it in a
Treo600, Nokia 6682 and have no doubt that it will work in an OpenMoko
or homebrew phone.
I use the internet a lot from the Treo, it's EDGE speeds, good enough
for keeping up with a lot of email, google maps and basic browsing,
although its slow. Coverage in the SF Bay Area is good enough and has
been gradually getting better over the years. I had T-Mobile for a
while, and had worse coverage but much better customer support.
I hope this helps,
Adrian
On 3/9/07, Erik <esw at alum.mit.edu> wrote:
>
> I agree that this should be in a FAQ somewhere, because it's something
> lots of US free-your-phone users need to know. It isn't OpenMoko
> specific, but definitely relevant. I already wasted ^H^H^H^H^H^Hspent
> some time looking in to this so I'll share what I've found:
>
> 1. I believe Cingular prepaid can do GPRS data. This would normally
> be excellent news. Except that its $0.01 per kbyte. [!!!] If you
> get the max bitrate that works out to something like $4 per minute!
> So "spending minutes" to use data would be a bargain.
>
> 2. But I'm not holding my breath that I will be able to just spend
> voice minutes getting infrequent data access from a prepaid plan.
> A cellular telephone voice connection is extremly highly compressed
> in ways that sound ok for speach, but ways that mean very little
> data would get through if you tried to use standard modem codings.
> Plus, the little cpu in the thing couldn't really be expected to do
> the decoding. Perhaps someone could do a great hack with a
> self-powered modem on the headphone port, looping back into the
> unit via a bluetooth-to-serial dongle.
>
> 3. Data plan it is. You can't add a data plan to a prepaid card. So
> either you have a prepaid voice card + data plan card, or you suck
> it up and sign up for a voice plan as well.
>
> 4. Cingular differentiates plans based on what kind of phone/interface
> device you have, and how you intend to use it. The cheapest is
> smartphone, the next is pda, the next is laptop. And to use one of
> their locked smartphones or pdas as a bluetooth modem you have to
> pay an expensive extra $$ per month "tether" fee. My guess is that
> all data plans work in all unlocked devices... but maybe I'm wrong
> and theres a whitelist on the simcard.
>
> 5. It seems to be a grey area, using a phone that they don't provide.
> I can see a good argument for calling the OpenMoko a SmartPhone.
> Which is great 'cause theres a $20/month unlimited data plan for
> smartphones. But there's no way to limit whether you can use it
> for tethered/laptop data access so who knows if they'd want to slap
> the tether fee on you. "just in case" fortunately I don't think
> they're that clue-full.
>
> 6. It seems that you can only order a plan [get a sim card] with a
> phone. That's not such a financial problem if you're just getting
> a cheap voice plan, because there are lots of cheap/free after
> rebate voice phones you can get and not use. But to order a data
> plan from Cingular [of any of the tweleve types] you have to order
> a phone that is valid for that plan.
>
> 7. So to get a SmartPhone unlimited plan [$20/month... unlimited data
> not bad imho] you'd have to also buy a smartphone. [$150] There's
> a $100 rebate on the cheapest phone, but who knows if you'd
> actually get the rebate. And who knows if it'd actually work in
> the neo.
>
> 8. I'm not even sure that you can have a data plan without a voice
> plan. Seems like at the very least you might not get the
> smartphone rebate if you don't get the rebate.
>
>
> Good luck, please share what else you find! You are indeed not the
> only one trying to figure all this out!
>
> -erik
>
> ps. A reasonable default, if you need a phone right now, is to buy a
> cheap prepaid phone and use that for the couple months until it
> becomes more clear exactly what plans work with the neo in the US.
> That way you're not locked in... and you have a sim that you can use
> for voice testing at the very least with the neo. That's what I'm
> going to do when/if my 4year old phone [on sprint month-to-month/no
> contract all its life] croaks before i get a phase 1!
>
>
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