3G and WiFi

3G and WiFi

1. Mobile Phones

   • Bluetooth
     • Small range (between 10-100m)
     • Low power usage
     • Allows users to share files between phones
     • Can connect phone to wireless audio system e.g. car audio system or wireless headset
   • 3G/WAP
     • Data transfer speeds are slower than WiFi
     • High power usage
     • Can connect to broadband on the go
     • Can be used to send/receive emails, texts, and voice calls
     • Tariffs are expensive with low data allowance

2. Smartphones and PDAs

   • 3G
     • A subscription to a service provider e.g. Vodafone is required
     • Data Transfer speeds are slower than WiFi
     • Tariffs can be very expensive, with cheaper tariffs costing £20 per month for 15GB of data usage
   • WiFi
     • Can be used to download apps, email, videos and music
     • High data transfer speeds (Up to 300mbps on 'N' Standard)
     • High power consumption
   • Bluetooth
     • Used to transfer pictures and MP3s on mobile phones
     • Can be used to play audio wirelessly
     • Low power usage
     • Range - Between 10-100m
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3. Laptops

   • WiFi
     • Can connect to a wireless LAN using a router to access the server and all peripherals available to users of the network
     • Data can be transmitted at speeds of up to 300 megabits per second
     • Wifi hotspots can be found in city centres, hotels, airports and cafés