UNIT - 3
, Introduction to Mobile phones
Mobile technology is a type of technology in which a user utilizes a
phone to perform communications-related tasks, such as communicati
friends, relatives, and others. It is used to send data from one sys
another. Portable two-way communications systems, computing devic
accompanying networking equipment make up mobile technology.
Mobile device security is important to keep our smartphones, table
other portable devices safe from cyber criminals and hackers. The main
mobile device security is to keep our devices and other electronic devic
from being hacked or other illegal activities. In our daily lives, it is very
to protect our private information from strangers and hackers. Mobile
security acts as a shield to ensure that our digital life remains secure.
,Followings are the few famous mobile technologies:
* SMS *MMS *4G *3G *GSM *CDMA *Wi-Fi
1. SMS: “SMS” stands for “Short Message Service.” It is now the most widely
oldest text messaging service. SMS are also sent over cellular networks, therefore y
a wireless plan and a wireless carrier. SMS is fast gaining popularity in the world as a
messaging medium.Fortunately, text messages sent via SMS do not require the
phone to be turned on in order for the message to be delivered. The message will
the SMS service until the receiver switches on his or her phone
2. MMS: MMS (Multimedia Messaging Service) messaging is a standard m
delivering multimedia material, including messages. MMS, as opposed to SMS, ca
to forty seconds of video, one picture, a multi-image slideshow, or audio.An MMS
can convey rich media content to mobile devices at any time and from any locati
powerful and effective tool that assists businesses in reinforcing and deepening clie
by providing crucial information about their products and services.
, 3G: The third letter in the designation 3G stands for third-generation access tec
which allows mobile phones to connect to the internet. Every new technology in
new frequency bands and data transmission rates. The first generation emerged in th
First-generation uses large phones that had to be mounted on top of cars because t
too heavy to hold. Text messaging was made possible by the second-generation
which became available in the 1990s. This huge and game-changing advancem
provided a more secure network and laid the path for today’s ubiquitous 3G
technology.
4. 4G: The fourth generation of mobile networking technology is known as 4
comes after the 2G and 3G networks.5G is becoming operational alongside curren
4G mobile networks. When it initially came out, 4G revolutionized how we use th
internet. Despite the fact that 3G networks were relatively limited, 4G network con
allowed consumers to browse the internet and watch HD films on their mobile
thereby turning smartphones into laptops.
5. Global System for Mobile technology: The (GSM) is an acronym f
System for Mobile Communication. GSM is a cellular technology that is open and d
is used for mobile communication. It operates on the 850 MHz, 900 MHz, 1800 M
1900 MHz frequency ranges. It employs a hybrid of FDMA and TDMA.
, Introduction to Mobile phones
Mobile technology is a type of technology in which a user utilizes a
phone to perform communications-related tasks, such as communicati
friends, relatives, and others. It is used to send data from one sys
another. Portable two-way communications systems, computing devic
accompanying networking equipment make up mobile technology.
Mobile device security is important to keep our smartphones, table
other portable devices safe from cyber criminals and hackers. The main
mobile device security is to keep our devices and other electronic devic
from being hacked or other illegal activities. In our daily lives, it is very
to protect our private information from strangers and hackers. Mobile
security acts as a shield to ensure that our digital life remains secure.
,Followings are the few famous mobile technologies:
* SMS *MMS *4G *3G *GSM *CDMA *Wi-Fi
1. SMS: “SMS” stands for “Short Message Service.” It is now the most widely
oldest text messaging service. SMS are also sent over cellular networks, therefore y
a wireless plan and a wireless carrier. SMS is fast gaining popularity in the world as a
messaging medium.Fortunately, text messages sent via SMS do not require the
phone to be turned on in order for the message to be delivered. The message will
the SMS service until the receiver switches on his or her phone
2. MMS: MMS (Multimedia Messaging Service) messaging is a standard m
delivering multimedia material, including messages. MMS, as opposed to SMS, ca
to forty seconds of video, one picture, a multi-image slideshow, or audio.An MMS
can convey rich media content to mobile devices at any time and from any locati
powerful and effective tool that assists businesses in reinforcing and deepening clie
by providing crucial information about their products and services.
, 3G: The third letter in the designation 3G stands for third-generation access tec
which allows mobile phones to connect to the internet. Every new technology in
new frequency bands and data transmission rates. The first generation emerged in th
First-generation uses large phones that had to be mounted on top of cars because t
too heavy to hold. Text messaging was made possible by the second-generation
which became available in the 1990s. This huge and game-changing advancem
provided a more secure network and laid the path for today’s ubiquitous 3G
technology.
4. 4G: The fourth generation of mobile networking technology is known as 4
comes after the 2G and 3G networks.5G is becoming operational alongside curren
4G mobile networks. When it initially came out, 4G revolutionized how we use th
internet. Despite the fact that 3G networks were relatively limited, 4G network con
allowed consumers to browse the internet and watch HD films on their mobile
thereby turning smartphones into laptops.
5. Global System for Mobile technology: The (GSM) is an acronym f
System for Mobile Communication. GSM is a cellular technology that is open and d
is used for mobile communication. It operates on the 850 MHz, 900 MHz, 1800 M
1900 MHz frequency ranges. It employs a hybrid of FDMA and TDMA.
