Broadband, 3G and Wi‐Fi U3A New Tech 7 January 2013 Mike Hender.

Broadband, 3G and Wi Fi‐

U3A New Tech7 January 2013Mike Hender

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Broadband

2Mbps – 40Mbps2Mbps – 100Mbps

TelephoneNetwork

CableNetwork


http://www.samknows.com/broadband/exchange/SMAM

Local Exchanges

Amersham L ChalfontChesham





Amersham Exchange




http://www.thinkbroadband.com/guides.html




Is it Worth Switching Broadband Suppliers?

Reasons to switch• Faster download speeds• Better value for money• Higher download allowances• Improved customer service

Steps• Do research on what’s available – is it worth it for you?• Decide to stay or switch• Get MAC code from current suppliers• Sign contract with new supplier online

http://www.uswitch.com/broadband/guides/switch/

http://www.which.co.uk/technology/computing/guides/which-recommended-broadband-provider/







http://www.moneysavingexpert.com/phones/cheap-broadband#bbonly

http://www.moneysavingexpert.com/phones/cheap-broadband



http://www.moneysavingexpert.com/phones/cheap-broadband#bbonly




Wi-Fi speed802.11ac – 800 Mbps802.11n – 160 Mbps 802.11g – 20 Mbps 802.11b – 3 Mbps

Wi-Fi

Router

ISP speed2 – 40 Mbps


Wi-Fi Router

Filter

Shared printer or disk


Wi-Fi Router

Ethernet or Cat5 Cable


When to use a cable rather than Wi-Fi?

• More reliable connection• Easier and More Secure - Don’t have to set up

Wi-Fi, security, passwords, etc.• Walls too thick! No Wi-Fi signal• Wi-Fi too slow• Any PC that’s close to the

router and rarely moved


Your Router

What is ‘Homeplug Powerline’?

YourPC

Your mains wiring

200 Mbps500 Mbps

1000 Mbps

And when would you use it?• When Wi-Fi won’t reach• When you don’t want to install a cable• When the end appliance doesn’t have

Wi-Fi and needs cable connect(e.g. some audio/visual equipment)


What Broadband Speed do I Need?


First some definitions

• 1 Mbps = 1 Million bits per second

• 1 Byte = 8 Bits• 1 MB = 1 Million Bytes• 1 GB = 1 Thousand MB


What Speed do I Need?

What do I want to download?

• Web pages (0.1MB)• Apps (5MB)• Email attachments (10MB)• Music album (60MB) • TV show (350MB)• Movie (1GB)• HD movie (4GB)


What Speed do I Need?

At 2Mbps

• Email attachments (10MB) – 50 secs• Music album (60MB) – 5 mins• TV show (350MB) – 25 mins• High quality movie (1GB) – 75 mins• HD movie (4GB) – 5 hours

At 100Mbps

• Email attachments (10MB) – 1 sec• Music album (60MB) – 6 secs• TV show (350MB) – 30 secs• High quality movie (1GB) – 1½ mins• HD movie (4GB) – 6 mins


Caveat:Photos are Big


How do you Measure Broadband Speed?

http://www.broadbandspeedchecker.co.uk/

On a PC or Mac

On a iPhone or iPad‘Speed Test’

On Android‘Speed Test’

- From the App Store

- From the Play Store




How do you Measure Broadband SpeedZEN Broadband via phone line ‘3’ 3G Mobile Data


Can you operate without Broadband?

Yes, with 3G and 4G mobile data. But!!• It’s not cheap particularly for downloading

media• It may not be available or it may be very slow

at your home• It can get very congested at peak times• It can be less secure

*

* Coming 2013


Vodafone

O2

Orange

3G throughput1 – 15 Mbps4G throughput20 - 40 Mbps

3G/4G Mobile Data

Local 3G Transmitters

Amersham On The Hill

http://www.sitefinder.ofcom.org.uk/search




Q: So if I want to disconnect from Broadband and use only 3G/4G do I need

to have a SIM in all my devices?

That sounds very expensive!

A: No! Use a ‘MiFi’


When to use a ‘MiFi’‘3’

Wi-Fi

3G


Use of ‘Tethering’*

* AKA ‘Personal Hotspot’


Wi-Fi Out and About

• BT Wi-Fi - Free Access - Over 4.5 Million hotspots in the UK (Vodafone, Orange, T-Mobile, EE)

• O2• The Cloud – BSkyB• Wi-Fi on the London Underground service,

120 stations by spring 2013 (Virgin Media Wi-Fi)


Wi-Fi Out and About

• Retail outlets


Locating a Wi-Fi Network near you

• Costa Coffee Customers get free Wi-Fi at Costa branches• JD Wetherspoons pubs All customers get free Wi-Fi at

Wetherspoons• Krispy Kreme All customers in 18 UK stores get free Wi-Fi at Krispy

Kreme via The Cloud• McDonald's All customers get free Wi-Fi• Pret a Manger All customers get free Wi-Fi at Pret• Slug and Lettuce pubs All customers get free Wi-Fi via The Cloud• Starbucks iPhone users, O2 mobile broadband customers, and most

BT Total Broadband customers get free Wi-Fi from BT Openzone• Walkabout pubs All customers get free Wi-Fi at Walkabout


BT fon

“As a member of the Fon community, you agree to share a little bit of your WiFi at home, and get free roaming at Fon Spots worldwide in return. Sharing WiFi with Fon is safe and secure, and you won’t even notice when others are connected because Fon only uses a tiny portion of your bandwidth.”


We are here


BT a

nd fo

n

BT and fon O2


How do I choose the correct Wi-Fi Network?

ZEN

BT

At Home


At Brent Cross?


How do I Keep my Stuff Secure?

Backup!!!!



At Home• PC – Login Password ON– Virus Checker, Firewall ON

• Smartphone– Passcode Lock ON

• Tablet– Lock at your discretion– Child lock



Out and About• Laptop– Login Password ON– Virus Checker, Firewall ON

• Smartphone– Passcode Lock ON

• Tablet– Passcode Lock ON– Child lock


How do I get help when I’m stuck?

• Supplier/Retailer• Supplier Website• Google• Local store• Cultivate a buddy• Cultivate a grandchild!


Topics

• Help! What exactly are Wi-Fi, Broadband and 3G Mobile Data?

• Which one should I connect with? • What are the benefits of each for PC, Tablet,

Smartphone?• What are the relative costs - what's best value for

money?• How fast do they work?


Topics

• How much data (Emails, Web Pages, Apps, Music, Films) can I download?

• What does my Router do and how do I connect to it?• How do I get Wi-Fi in my home?• How do I get Wi-Fi when I'm out and about?• It's a scary world out there, so how do I keep my stuff

secure?• How do I get help when I'm stuck?


End

Broadband, 3G and Wi‐Fi U3A New Tech 7 January 2013 Mike Hender.

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