Phones CDMA - what is it? Dual phone CDMA+GSM

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2019-04-13 02:00:25

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In this article will address the CDMA phones, what are these devices and in some cases, without them simply not to manage. Also will specify the features of real models and recommendations about their purchase.

cdma phones that it

Two main standards of mobile communication

Currently most widespread mobile devices are two standards: GSM and CDMA. Each of them is the digital standard. But the signal transmission in each of these cases differently. In the first case, the frequency range is divided into parts, each conversation is only a small part of the spectrum. In the second case the encoding allows the subscriber to use the whole frequency resource. As a result, in this case, the connection quality is much better. But more common today received the device for mobile networks of the first type. This standard was submitted much earlier and at the time of the announcement of the CDMA solutions are already actively used. Now get the answer to the question: “the CDMA Phones - what kind of soup?”, these are devices intended for use in CDMA-networks. Similarly, the GSM solutions are used only in cellular networks.

Supported devices

Functioning in cellular CDMA networks for targeted variety of devices. First and foremost is a mobile phone of the standard. They have a relatively low level of functionality: conversation, text and multimedia messages. In some cases this list can be extended with data transmission. So the answer to the question: “Phones CDMA - what is it?” is that “It is a device that allows you to make calls, send and receive text or multimedia messages or connect to the Internet in CDMA networks”. The second type of devices that can be used in such a network is modems. They can perform only one task — to ensure the transfer and receipt of data from the global web on a PC. Another type of devices — is a mobile Wi-Fi routers. They do the same thing and modems, but only in this case the presence of the computer do not have to implement the connection. The router creates a wireless area network, to which can be connected to any device with a Wi-Fi transmitter. The latter type of devices — is smartphones. It's a mobile device, the opportunities that expanded use of special software. In this case it is possible to view videos and listen to music, and chat on social networks… Even as a mobile Wi-Fi router it can be used.

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htc cdma phones

Operators in Ukraine

Until recently, Ukraine was quite a lot of mobile operators who functioned in this standard. This “Welton” and “Ukrainian wave”, and People.net and “five years”. But now continue to provide services to only the last two. The first two of them were purchased ‘five years" of their subscribers joined his network. In turn, People.net due to the economic difficulties began “collapse” coverage, that many of its subscribers were forced to switch to its direct competitor, the “five years”, which then became the only national CDMA operator. The basis of his subscriber base phones are dual CDMA-GSM. Odessa is a city with which this operator started its triumphant March across the country. Now it covers most of the country. So that the owners of CDMA devices can work in Ukraine only in one network.

“Lenovo А330е”

The display of 5 inches and affordable price — these are the main advantages of this model. The hardware basis of the device acts as a “Snapdragon 200” with two computing modules. Each of them could theoretically accelerate to 1.2 GHz. Subsystem memory, 512 MB RAM and 4 GB of integrated storage data. Capacity of supplied battery is 2000 mAh, this is exactly enough for 2 days use. Operating system, in this case, “Android”. The price of this device starts with 6000 rubles.

mobile phone gsm cdma

Huawei Y321C

One of the most available devices of this standard is a CDMA phone Huawei Y321C. Although it is a smartphone, which operates under the management of “Android”. Its computational Foundation is 2-core “Snapdragon” МСМ8625 with a peak frequency of 1 GHz. Memory of 0.5 GB, and capacity built-in memory is equal to “modest” 4 GB. The display size of only 4 inches, and its resolution is 480x800. For autonomy is responsible battery with a capacity of 1350 mAh. This is exactly enough for 1 day of work. The price of this device is equal to 5750 rubles.

dual gsm cdma phones Odessa

“Lenovo А805е”

This is the most accessible to date, the mobile phone GSM-CDMA with a diagonal of 5.5 inches. Its computational core is a 4-core CPU “Snapdragon 410”. Each computational module can increase its frequency up to 1.2 GHz. Comfortable work on this device provides 1 GB RAM and 8 GB of integrated storage. For autonomy meetsthe battery of 2500 mAh, this is enough for 1-2 day battery life. The price of this gadget — 8000 rubles.

HTC T329d

There are also solutions for the digital standard and the company HTC. Phones CDMA standard in this manufacturer, though not so often, but still can be found. One of the most affordable models is the HTC N329d. Like all previously reviewed gadgets, this smart phone is dual band and can operate both in the CDMA network, and GSM coverage. At the heart of this device lies 2-core CPU, which can dynamically accelerate up to 1 GHz. The amount of RAM is 768 GB, and capacity built-in memory-4 GB. Screen size-4 inch. 800x480 resolution allows you to display high quality output image. The battery capacity allows to expect 2 days battery life without recharging.

cdma phone of huawei

The Device is equipped with a variety of wired and wireless ways of communication that allow you to fully unlock its potential. To buy such device right now for 7500 rubles.

Summary

This article was given the answer to the question: “Phones CDMA what is Devices are and what they need?” Also shows the characteristics and the value of actual models of this kind of devices, the mobile operators that provide services in this standard in Ukraine. Any of these models will be an excellent purchase and will allow you to communicate and receive data from the Internet.


Article in other languages:

AR: https://tostpost.com/ar/technology/16430-cdma---cdma-gsm.html

BE: https://tostpost.com/be/tehnalog/31872-telefony-cdma---shto-geta-dvuhstandartnye-telefony-cdma-gsm.html

DE: https://tostpost.com/de/technologie/31549-handys-cdma---was-ist-das-dvuhstandartnye-handys-cdma-gsm.html

ES: https://tostpost.com/es/la-tecnolog-a/31415-tel-fonos-cdma---qu-es-esto-dvuhstandartnye-tel-fonos-cdma-gsm.html

HI: https://tostpost.com/hi/technology/18054-phones-cdma---what-is-it-dual-phone-cdma-gsm.html

JA: https://tostpost.com/ja/technology/16121-cdma-cdma-gsm.html

KK: https://tostpost.com/kk/tehnologiya/32196-telefondary-cdma---b-l-ne-dvuhstandartnye-telefony-cdma-gsm.html

PL: https://tostpost.com/pl/technologii/33258-telefony-kom-rkowe-cdma---co-to-jest-dvuhstandartnye-kom-rkowe-cdma-gs.html

PT: https://tostpost.com/pt/tecnologia/32998-telefones-cdma---o-que-isso-dvuhstandartnye-celulares-cdma-gsm.html

TR: https://tostpost.com/tr/teknoloji/28605-cdma---bu-nedir-dvuhstandartnye-cdma-gsm.html

UK: https://tostpost.com/uk/tehnolog/32409-telefoni-cdma---scho-ce-dvostandartn-telefoni-cdma-gsm.html

ZH: https://tostpost.com/zh/technology/14181-cdma--cdma-gsm.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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