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Manoj
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What is SIM ? Empty What is SIM ?

Mon Jan 14, 2019 7:26 pm
hi
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deepika2029
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What is SIM ? Empty Re: What is SIM ?

Mon Jan 14, 2019 7:28 pm
SIM card is a smart card that is used in mobile phones, to identify the client. SIM stands for subscriber identity module. A SIM card has a microchip, and its use is protected by a PIN. When the phone is powered on, a special number called IMSI is broadcast. The microchip is also needed for some encryption and decryption. The SIM card, and the device it is use in (the mobile phone) are often referred to as Mobile station.
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deepika2029
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What is SIM ? Empty Re: What is SIM ?

Mon Jan 14, 2019 7:28 pm
Content is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. By using this site, you agree to the Terms of Use Privacy Policy. Content of this web page is sourced from wikipedia . Some content of the original page may have been edited to make it more suitable for younger readers, unless otherwise noted.
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deepika2029
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Mon Jan 14, 2019 7:29 pm
Reliance is finally prepping up to launch its high speed Broadband service across the country. Dubbed the Reliance Jio, the 4G LTE network connectivity aimed to revolutionise the Indian telecom market was originally scheduled to launch in February this year.

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deepika2029
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Mon Jan 14, 2019 7:29 pm
The launch however go delayed due to certain technical issue and now it appears that Mukesh Ambani led Reliance India is finally prepared for the rollout. According to a recent report, Reliance Jio shops across the country has received the first lot of Jio SIMs and is waiting for a nod from official quarters to start registering users for the same.

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deepika2029
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Mon Jan 14, 2019 7:29 pm
With the Jio launch round the corner, GizBot decided to take a look at what Reliance Jio has to offer and how it can change the market dynamics in the telecom space in India.
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deepika2029
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Mon Jan 14, 2019 7:30 pm
Reliance Jio soft launched their 4G LTE services back in December last year with usage solely restricted to the staffs of Reliance India Pvt. Ltd. It was at that event when Mukesh Ambani had announced their plans to official unveil it commercially in February 2016. He had also announced that the services of Jio will be provided for free to their staffs only till the commercial launch of the product.
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deepika2029
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Mon Jan 14, 2019 7:30 pm
Jio apparently holds the largest number of Spectrum bands in the country. Reliance makes of us of 2300Mhz spectrum alongside 800MHz spectrum in 10 circles and 1800MHz in 6 circles. If reports are to be believed Reliance has made a total investment of nearly Rs 1, 50,000 crores for acquiring so far. On the other hand competitors of Reliance Jio namely Airtel and Idea use 2300MHz and 1800Mhz spectrum for deploying its services in India.

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deepika2029
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Mon Jan 14, 2019 7:30 pm
Reliance Jio is said to have laid more than 2.5 lakh kilometers of Fibre Optics cable across India. This includes coverage in 18,000 cities and 1, 00,000 villages. According to Mukesh Ambani, Reliance Jio aims to achieve 70% coverage at time of commercial launch and bump it up to an ambitious 90% coverage by 2017.
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deepika2029
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Mon Jan 14, 2019 7:30 pm
Credit Suisse, a brokerage firm behind Reliance Jip reported to have use Jio's services and were quite happy with what it has to offer.
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Aditya992000
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What is SIM ? Empty Re: What is SIM ?

Mon Jan 14, 2019 7:31 pm
A subscriber identity module or subscriber identification module (SIM), widely known as a SIM card, is an integrated circuit that is intended to securely store the international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephony devices (such as mobile phones and computers).
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Aditya992000
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Mon Jan 14, 2019 7:31 pm
It is also possible to store contact information on many SIM cards
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Aditya992000
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What is SIM ? Empty Re: What is SIM ?

Mon Jan 14, 2019 7:32 pm
SIM cards are always used on GSM phones; for CDMA phones, they are only needed for newer LTE-capable handsets.
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Aditya992000
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Mon Jan 14, 2019 7:32 pm
SIM cards can also be used in satellite phones, smart watches, computers, or cameras.
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Aditya992000
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Mon Jan 14, 2019 7:32 pm
The SIM circuit is part of the function of a universal integrated circuit card (UICC) physical smart card, which is usually made of PVC with embedded contacts and semiconductors.
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Aditya992000
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Mon Jan 14, 2019 7:32 pm
SIM cards are transferable between different mobile devices.
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Aditya992000
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Mon Jan 14, 2019 7:33 pm
The first UICC smart cards were the size of credit and bank cards; sizes were reduced several times over the years, usually keeping electrical contacts the same, so that a larger card could be cut down to a smaller size.
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Aditya992000
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Mon Jan 14, 2019 7:33 pm
A SIM card contains its unique serial number (ICCID), international mobile subscriber identity (IMSI) number, security authentication and ciphering information, temporary information related to the local network, a list of the services the user has access to, and two passwords: a personal identification number (PIN) for ordinary use, and a personal unblocking code (PUC) for PIN unlocking.
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Aditya992000
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Mon Jan 14, 2019 7:33 pm
The SIM was initially specified by the European Telecommunications Standards Institute in the specification with the number TS 11.11. This specification describes the physical and logical behaviour of the SIM.
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Aditya992000
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Mon Jan 14, 2019 7:34 pm
With the development of UMTS, the specification work was partially transferred to 3GPP. 3GPP is now responsible for the further development of applications like SIM (TS 51.011) and USIM (TS 31.102) and ETSI for the further development of the physical card UICC.
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kavita123
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What is SIM ? Empty Re: What is SIM ?

Mon Jan 14, 2019 7:34 pm
What exactly is a SIM card? You know, the little piece of plastic found in the metal pullout on the right side of your iPhone or cellular iPad?
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Aditya992000
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Mon Jan 14, 2019 7:34 pm
The first SIM card was developed in 1991 by Munich smart-card maker Giesecke & Devrient, who sold the first 300 SIM cards to the Finnish wireless network operator Radiolinja
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kavita123
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Mon Jan 14, 2019 7:34 pm
The short answer: it's a Subscriber Identity Module, a small circuit board in most modern phones to communicate with your carrier. Practically speaking, it is a middleman between two pieces of hardware: the phone's baseband chip, and your carrier's cell towers, allowing the two to communicate.
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Aditya992000
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Mon Jan 14, 2019 7:34 pm
Today, SIM cards are ubiquitous, allowing over 7 billion devices to connect to cellular networks around the world.
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kavita123
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Mon Jan 14, 2019 7:34 pm
SIM cards allow you to travel between phones with your phone number and data plans; when you upgrade to a new iPhone, the SIM card travels (as long as it is the same size).
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