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Archive for September, 2010

GSM Handsets

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In today’s edition we’ll be discussing GSM handsets. The data you will find in this edition was gathered from several resources. Hope you enjoy!

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I came across GSM handsets while looking for a new cellphone. My old flip-phone just wasn’t cutting it anymore and I wanted to explore the smartphone industry. I liked the idea of having access to the Internet on my phone. Particularly, email. I work in the professional world, so having access to phone, email, internet, etc. was becoming more and more important.

You probably already know my thoughts on the mobile industry. I’m always amazed at what small technological devices can do. Especially in today’s rapidly advancing technological world. What a phone can do today is way beyond what we thought could happen less than 5 years ago.

One of the handsets I was researching was the GMS Handsets. But, to start I needed to find out what they were.

As defined by Wikipedia, GSM stands for Global System for Mobile. It’s considered among the most popular standard for mobile telephony technologies in the world. Developed in the mid-80’s, GSM operates in the 900MHz and 1800MHz bands in Europe and India, but is slightly higher in the US at 1900MHz. The GSM Association estimates over 80% of the global mobile market uses this standard. Apparently, GSM is used by over 1.5 billion people across more than 212 countries. This is a pretty amazing number! By comparison, it dwarfs personal computers.

When asked how GSM differs from past telephony technologies; well, GSM differs from its predecessor technologies in that both signaling and speech channels are now digital. This means GSM is considered a second generation (2G) mobile phone system. In future posts we’ll discuss 3G and 4G cell. The quality and speed has dramatically increased.

Another advantage, GSM allows us to communicate with our peers even if we’re outside of our native area. This technology we can still use our phones in many parts of the world because we can roam or switch carriers without replacing our phones. See how GSM handsets compare to CDMA handsets.

In my opinion, this is one of the key features of GSM: Subscriber Identify Module (SIM) card. The SIM card is a small detachable smart card containing the user’s important subscription data/information . Basically, it’s a small removable memory card that acts like the key to a car. It’s important to gain access to specific wireless service providers. This allows the user the ability to retain his or her valuable data and information after switching handsets. This is one of the main reasons I went with a GSM Handset. (I personally own an iPhone). It’s almost like a glorified portable USB drive / personal assistant.

In recent years, GSM has also pioneered low-cost implementation of the short message service (SMS), also known as text messaging. I’m sure we’ve all participated in text messages, or at least have heard of it. In fact, it’s gained a tremendous amount of buzz in the past few years! Becoming the preferred method of communication amongst the younger population. GSM has also been in the front mobile market with Multimedia Messaging Service (MMS) which allows users to share more multimedia via text messaging such as images, audios and videos.

I expect this service to heavily expand over the next few years as more and more people demand the capability to share information with peers via mobile communications. Services that allow us the share content while on-the-go. This is the future of the mobile world.

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Written by Ron Reed

September 29th, 2010 at 12:24 am

Posted in Future Technology

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GSM Handsets -vs- CDMA Handsets

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Okay, which one is better? GSM Handsets or CDMA Handsets — let’s find out!

What is CDMA?

CDMA stands for Code Division Multiple Access. First developed during World War II by English allies to foil German attempts at jamming communication lines. CDMA allows users to transmit communciations over several different frequencies. It’s a digital modulation called Spread Spectrum.

CDMA Advantages:

  • Cost less. Consistently lower priced compared to GSM.
  • Currently, the call quality is better as compared to GSM.
  • Offer economical services and are a urban market hit.

CDMA Disadvantages:

  • Less variety of handsets as compared to GSM.
  • Incompatible with GSM handsets.
  • Can not offer international roaming.
  • No SIM card. Have to stay with the same phone for a long time.

What is GSM?

GSM stands for Global System for Mobile. It was developed in the 1980’s as a new technology to advance both signaling and speech channels to new levels of digital.

GSM handsets use SIM cards which are small detachable smart cards containing the user’s important subscription data/information. This is what some indicate as the the main advantage of GSM handsets as compared to CDMA handsets.

Advantages of GSM service:

  • SIM cards. Removable smart card containing subscription info.
  • Roaming. Talk anywhere in the world.
  • Variety of handsets & service providers are available to choose from.
  • Call quality is comparatively more secure & better.
  • More stable network and robust features as compared to CDMA.
  • Power consumption is less than CDMA handsets.

Disadvantages of GSM service:

  • Higher cost. Roaming call costs are almost always higher than CDMA handsets.
  • GSM phones are not full proof & and can be tampered with.
  • There is the chance of losing all your data if the SIM card is lost or damaged. (No physical memory)

In the end, most people choose GSM handsets due to better facilities by the operators. That’s what I did. I chose the GSM handset. It’s a more stable and robust network. However, CDMA is certainly in the mix. It’s a growing network and one to keep an eye one in the long haul.

As you can imagine, one reason I prefer GSM is because of the SIM card. I like the capability of being able to transfer the SIM card from phone to phone and still have access to the system. Whereas, with the CDMA handsets the memory is all held on the device so it’s not as flexible. Also, I’ve found GSM as the pioneer of the text message craze. It is at the frontier of SMS and MMS messaging. These services will become more and more demanded as multimedia hits the mobile market in mass.

The handset segment of the mobile industry will continue to bloom over the next decade. No doubt. In my opinion, GSM will be at the frontier of this future technology.

So there you have it. GSM handsets vs CDMA handsets. Which will you choose?

Free Cell Phones

Written by Ron Reed

September 18th, 2010 at 1:49 pm