Posts

Showing posts with the label WiFi

Li-Fi

Li-Fi is an emerging technology, a new form of wireless technology that transmits data up to 100 times faster than conventional Wi-Fi. It may revolutionise the way in which we transmit data on a smartphone, tablet or computer. It is wireless technology that uses flickering LED lights to transmit up to 1 gigabit per second; much faster than current Wi-Fi data speeds which average around 11 megabits per second. Read more about Li-Fi

SMS only 160 characters

Why is the limit of an SMS 160 characters? It’s not a decimal number ie. not a multiple of 10 and has nothing to do with dozens (12), not  even  a butcher's dozen. So why is there a limit of 160? BTW if you often push the limit of 160 characters, then you really need to get a life. But, back to basics … why the limit of 160? There are 2 stories and reasons suggested. A man called Friedhelm Hillebrand, Chairman of the Global System for Mobile Communications (GSM), had the task of setting the limit on the amount of characters a text message could contain. This would become the international standard. He did this by analysing  typical  sentences viz. questions and answers. He also reviewed messages written on postcards and received by Telex transmissions. (Telex was not so long ago the state of the art message transmission technology.) Friedhelm Hillebrand arrived at the answer of 160 characters. His recommendation became the standard. T...

Free WiFi in CBD

Image
Free WiFi has been launched in the Adelaide CBD. It's a great outcome. Unley Council has considered how best to do it in Unley (without the limitless budget of Adelaide City Council) and that matter will be further discussed, probably be the new Council after the election in November. My thoughts on it are that the traders in Unley should be driving the free WiFi. They will be the prime beneficiaries. Visitors will stay longer and sip more coffee and shop longer. Here's more information on the free WiFi in Adelaide CBD ... High speed WiFi can be accessed at more than 200 locations. AdelaideFree WiFi has now been launched and provides fast and free wireless coverage in public spaces across the CBD and parts of North Adelaide, making Adelaide one of the most connected cities in the world. Whether you are a worker, student, business, tourist or visitor, you can now access high speed WiFi at more than 200 locations. The quality of the service is comparable to...