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Mobile Communications 1 of 12 © Boardworks Ltd 2010 This lesson will cover… Mobile communication devices. Mobile communication technologies. The differences between different portable devices. Icons key: For more detailed instructions, see the Getting Started presentation Flash activity. These activities are not editable. Teacher’s notes included in the Notes Page Student task accompanies this slide 2 of 12 Web addresses Functional Skills check Printable activity © Boardworks Ltd 2010 Mobile communications What is mobile communication? A communication (usually via a network) between two entities in different locations which doesn’t require any physical connection and can allow the parties involved to be freely mobile. What activities are you involved in that use mobile communications? 3 of 12 © Boardworks Ltd 2010 Mobile devices What is a mobile communications device? Any device or gadget which is capable of communicating with a system or other device without any physical connection like cables or wires. 4 of 12 © Boardworks Ltd 2010 Which device? 5 of 12 © Boardworks Ltd 2010 Acronyms 6 of 12 © Boardworks Ltd 2010 Data transfer speeds 7 of 12 © Boardworks Ltd 2010 What's the real difference? Data transfer speeds can be difficult to comprehend when presented in kilobits per second. How long would a typical single music file of 5 Megabytes take to download using the different mobile communications technologies? (Remember bits are not the same as bytes; 1Megabit = approx 125Kilobytes) GSM GPRS 3G 14.4 kilobits per second 114 kilobits per second 14 megabits per second 47 minutes 6 minutes 2.9 seconds In reality, the download speeds would be much slower; why is this? 8 of 12 © Boardworks Ltd 2010 Other wireless technologies Bluetooth is a short range wireless communication technology, Its often used for connecting earpieces to phones or computers wirelessly creating a personal area network (PAN). In the future it is likely to have more impact as ‘proximity’ communications services and applications start to grow in popularity. For example: proximity marketing can allow an advert to appear on you phone advertising a special offer whenever you walk into a store. What other uses does Bluetooth have? 9 of 12 © Boardworks Ltd 2010 Match the technology 10 of 12 © Boardworks Ltd 2010 The most useful? 11 of 12 © Boardworks Ltd 2010 Summary 12 of 12 © Boardworks Ltd 2010