I think I saw in there once looking for info that this company called Airfire that shut down now was using 1900 only. I think what probably got them is that they had 2G or edge service only. Maybe that's all the equipment at their end would do and they couldn't afford to upgrade.

----- Original Message ----- From: "Christopher Chaltain" <[email protected]>
To: <[email protected]>
Sent: Thursday, September 11, 2014 9:35 PM
Subject: Re: T-Mobile makes big Wi-Fi push


Yeah, if you go to a page like
http://en.wikipedia.org/wiki/Cellular_frequencies#United_States_Carrier_Frequency_Use
you'll see that AT&T, Sprint and Verizon all use 800 or 850 MHZ,
meanwhile T-MObile just uses 1700 and 1900 MHZ. The lower frequencies
give you a greater coverage area but the higher frequencies let you
serve more people in a smaller area, so they each have their advantages.

On 09/11/2014 01:37 PM, Gmail wrote:
It's not the fault of GSM specifically, but rather that T-Mobile's coverage isn't very good.


Thanks,
Ari

On Sep 11, 2014, at 11:23 AM, Traci Duncan <[email protected]> wrote:

Oh my gall, I have done a lot of reading about this, and I have never come across such a complete explanation.

Thank you, I always wondered why folks on GSM seem to need to be by a window.

Lol, it is things like that, that make me think I should stick with my good coverage in Verizon.

Thanks again,
Traci

On Sep 11, 2014, at 9:39 AM, Kelly Pierce <[email protected]> wrote:

This functionality is important to T-Mobile because nearly all of its
frequencies are in the higher frequency radio bands.  Signals at
higher frequencies have more difficulty penetrating buildings.  By
contrast, Verizon has nearly all of its frequencies at the low end of
the spectrum.  Consequently, T-Mobile folks can have slow data speeds
if not near a window while Verizon customers have few reception
problems.  Also, the coverage footprint of T-Mobile is the smallest of
the four largest carriers.  Large portions of the coverage area has
EDGE service, which is two to three times as fast as the dial up
modems of the 1990s.  T-Mobile is upgrading all cell towers to high
speed LTE service by the end of 2015.  Currently, more than 200
million Americans have access to T-Mobile LTE.  Additionally, T-Mobile
android customers report that the T-Mobile WIFI calling reduces their
minute allotment.  If someone is on the ultra discount 100 minute a
month plan for $30, I would recommend the person use the Vonage or
Magic Jack apps as these have no impact on minutes used.

Kelly




On 9/11/14, Traci Duncan <[email protected]> wrote:
Hi guys,

For those of you that understand this technology, could you share if this is something we should be excited about? Lol! If I understood part of the
article, this wifi calling/volte will come to iPhone 5s/5c via iOS 8?


tMobile has been tempting me for Months now, but I'm just so reluctant to
leave VZW.


Thank you,
Traci

http://www.cnet.com/news/t-mobile-makes-big-wi-fi-push-on-heels-of-iphone-6s-wi-fi-calling/

T-Mobile makes big Wi-Fi push on heels of iPhone 6's Wi-Fi calling

The wireless carrier is expanding its existing Wi-Fi calling and texting
service with promises of more coverage in the home and in the air.

SAN FRANCISCO -- For T-Mobile's next "Uncarrier" act, the company is
broadening its Wi-Fi calling and text message feature, thanks in part to
Apple's decision to include the feature in the latest iPhone.


The brash T-Mobile CEO John Legere at a previous Uncarrier event. The latest
event focuses on the carrier's Wi-Fi push. Sarah Tew/CNET
"Uncarrier 7.0," as the company has dubbed its event on Wednesday, is less a shake-up of the industry and more augmenting a feature already available to
millions of its customers.

The company on Wednesday announced a program, called "Wi-Fi Un-leashed" to get more of its customers on smartphones that are able to make calls and exchange text messages over a Wi-Fi network. That entails offering faster
upgrades through its Jump early upgrade program.

"Wi-Fi Un-leashed is a game changer," CEO John Legere said in a statement. "This is like adding millions of towers to our network in a single day."

To ensure each customer makes the most out of Wi-Fi, T-Mobile also said it would offer a customized Wi-Fi router for free (with a deposit) tweaked to better work with its smartphones. T-Mobile has also signed a deal with GoGo inflight Wi-Fi service to offer free text messages, picturing messages, and
visual voicemail in air on any US-based airline.

The increased focus on Wi-Fi calling and messaging is due to Apple's
spotlight on the feature. But it's also a way for the company to shore up lingering concerns from consumers about the quality of its wireless service. While it has done a lot of strengthen its coverage and speed over the last two years, there remains coverage gaps in more rural areas and a bad rap
from legacy customers who suffered through poor service in the past.

With Wi-Fi calling, T-Mobile can make the argument that call quality will remain strong wherever there is a nearby Wi-Fi network, particularly homes in weak coverage, or in parts of the house like a basement, where a cellular
signal may fail to get through.

This is the sixth "Uncarrier" event and seventh program for T-Mobile, which has campaigned on shaking up the industry and upending the conventions of the wireless business. That includes the location of its event, based here instead of Las Vegas, which is where the rest of the US wireless industry is
holding a confab at the CTIA trade show.

The impact of each Uncarrier event has diminished with each new program. Uncarrier 1.0 killed off contracts and the follow-up event introduced the
early-upgrade programs, both of which have been adopted by its rivals.
Uncarrier 5 and 6 consisted of a free seven-day trial and data-free music,
which were nice bonuses for new and existing customers, but not a
game-changer.

Still, T-Mobile can't stand still. Sprint has shown signs of life with its own aggressive slate of promotions, including a special lower priced $50 iPhone-centric service plan introduced after the iPhone 6 was unveiled on Tuesday. Sprint and T-Mobile, which saw their merger plans fall apart last
month, have gone back and forth on various promotions.

T-Mobile's Wi-Fi calling feature isn't new, and many of its smartphones
already offer the capability, with Apple playing catch up. The company said it has 20 million customers in its base with a Wi-Fi calling-capable phone. Apple highlighted as the sole US carrier currently offering the feature in
its presentation on Tuesday. Along with the iPhone 6 and iPhone 6 Plus,
older versions of the iPhone, going as far back as the iPhone 5C and 5S, would get the feature with the installation of the iOS 8 software upgrade.

But for customers with voice-over LTE, T-Mobile touts a seamless hand-off
between a Wi-Fi call and a VoLTE call. In July, T-Mobile launched its
voice-over LTE network across the nation, which is only compatible on
specific smartphones. The iPhone 6 is among the phones that is compatible
with VoLTE.

Verizon Wireless said it had no plans for Wi-Fi calling, insisting that its cellular coverage was sufficient. AT&T said it plans to offer the feature, but gave no time line. Sprint couldn't be reached for comment on its plans.

As part of the campaign, it will allow members who don't own a Wi-Fi
calling-capable phone who are on the carrier's Jump upgrade program to
immediately get a device, regardless of when they were supposed their
upgrade. Customers who sign up for the Jump program can also immediately
upgrade to a Wi-Fi calling-capable phone.

The catch is a customer has to sign up for the Jump program, which charges
an additional $10 fee a month for the privilege of upgrading early.

T-Mobile is offering a "Personal CellSpot," which is a special Asus-built Wi-Fi router, for customers for free, although they have to pass a credit check and put down a $25 refundable deposit. They also need a compatible smartphone. The router runs on the latest 802.11 AC Wi-Fi standard, offering
up higher speeds.

The router is designed to recognize and prioritize T-Mobile calls, ensuring that a relative's "Warcraft" session isn't clogging up the bandwidth. The
router can work alongside an existing Wi-Fi router in the home too.

T-Mobile had looked at femtocell technology, which acts like a mini
cell-tower powered by your home Internet connection, but felt that using
Wi-Fi would be simpler.

The GoGo partnership allows for limited use with text messages and visual
voicemail -- a customer just needs to go online and sign in. T-Mobile
customers looking to do more will still need to pay for inflight Wi-Fi
service.

Overseas, T-Mobile customers will also be able to make calls back home over
Wi-Fi for free.


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chaltain at Gmail

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