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What is GSM?


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2010-05-01 10:23:46
2010-05-01 10:23:46

GSM is a technology which is the leading cell phone standard all over the world. In 1982 it was recognized as a standard for digital wireless communications and was first adopted in Europe and then by Asia, Africa etc. The first system was online in 1991 and GSM was formerly known as Group Special Mobile but now stands for Global System for Mobile communications. USA, however has not adopted GSM as a standard and so different carriers now use different technologies as opposed to only GSM.

GSM uses digital technology and the methods of time division multiple access transmission. In GSM, sound is digitally prearranged through a special encoder, which imitates the distinctiveness of human speech. This method of transmission allows a very competent statistics speed/information content ratio.

GSM is an open system and is a non propriety technology. One of the great benefits of GSM is that it facilitates international roaming. As it is adopted by more than 170 countries, you have the facility of using your GSM cell phone in all these places without having to change your number. GSM satellite roaming has broadened the scope of cellular services even to areas where standard terrestrial services are not possible.

GSM is a technology that is rapidly growing and constantly evolving with wireless, satellite and cordless systems offering greatly expanded services. These services include multimedia data services, high speed, inbuilt support for side by side use of these services and faultless incorporation with the internet and wireline networks. 3GSM (next generation of mobile communications services) is already charted out and will make available services enhancing the already existing voice, data, and text services. GSM will provide video on demand and will help to lessen the gap between wireless and internet/computers.

GSM works on different frequency bands across the world. In North America it uses a 1900 MHz frequency whereas in other parts of the world it uses either 900MHz or 1800 MHz. As different frequencies are used in different places, your GSM handset should support various bands so that it can be used globally.

From the beginning, GSM has been developed with the need to give its customers utmost security in terms of secure communications, fraud prevention, and call privacy. Today it is the worlds most secure public wireless standard for cellular phones.

In an entirely different context, GSM could also stand for grams per square metre. This is the standard measure used for paper, and fabrics.


Related Questions

How do you convert cellphone gsm frequency to another gsm frequency?"

In the context of Mobile phones gsm means Global System for Mobiles. Hoerver 100 gsm or 130 gsm is usually referred for thickness of paper. gsm means grammes per square meter. Hence 130 gsm is thicker than 100 gsm. Simple.

So basically it has to have gsm radio, because there are two radios cdma and gsm, gsm works with all gsm carriers And cdma only works with on cdma carriers So if your looking for unlocked gsm for gsm service, look up device before buying

What's 100 gsm, 70 gsm or 80 gsm

GSM works awesomely -BBird

You’ve heard of a 50/50 or a 80/20 t-shirt. 50/50 means 50% cotton and 50% polyester or 80% cotton and 20% polyester, but have you ever seen the gsm listed and wondered what that meant? Simply put; that’s the weight of the fabric.But first, it’s important to know that GSM also has some other acronyms that do mean the same; let’s start with those.GSM (also known as gm/2) = grams per square meter and is the metric measurement of the weight of a fabric.Metric measurements are generally the most common place but some clothing items are still marked in Imperial weights (OZ or oz/yd2 = ounces per yard squared)The important thing to state here is that all of the terms above are measurements of weight, specifically the fabric weight when talking clothing. For example a t-shirt may be listed as 185gsm and another may be listed as 5.5oz the outcome is that these are basically the same as 5.5oz = 186gsmYou can work out any conversion of OZ & GSM by using the following calculation5.5oz x 33.906 = 186.48gsm185gsm / 33.906 = 5.45oz

How to calculate gsm for cartons

yes they are a gsm carrier.

75 gsm and 70 gsm are the weight of the paper naturally the 75 gsm is a little bit good tha 70 gsm paper it is costly to but the 70 gsm paper is good for daily printing on laser printer but if u want to make special assignement or project or may be resume than go for the 75 gsm or more

GSM (Global System for Mobile Communications: originally from Groupe Spécial Mobile).

Gsm is a mobile coverage statement. Some of the gsm carriers are in lists on google. If you have a phone that is gsm capable, then get a gsm carrier SIM card that has your plan, and insert it into the phone. Then you will have to activate it, and it will work just like you bought it from the carrier.

blockdiagram of gsm system

How to control of GSM of fabric

The population of Djezzy GSM is 3,500.

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You cant, GSM and CDMA are different technologies, GSM uses a sim card and CDMA does not.

GSM Band 890 to 915= 25 MHz One GSM Channel BW= 200 KHz Total GSM channels=25MHz/200KHz=125

gsm is the one type of mobile telephone service. GSM stands for Global Service for Mobile Technology

Ciphering is encyption and decyption of user ID in GSM network. It is done inside GSM GPRS component SGSN.

how to calculate gsm from yarn count

The Global System For Mobile Communication(GSM)

How can calculate yards from gsm rating

How to measure GSM of corrugated trays or cartons

GSM- Global System for Mobile Communication

Djezzy GSM was created in 2001-07.

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