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The German railroad system begins testing wireless telephony for the German military on military trains running between Berlin and Zossen
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Public trials of the wirless telephony first tested in 1918 began on trains running between Berlin and Hamburg
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The first mobile network was launched by Bell Labs and AT&T in St Louis, Missouri. However, coverage was very limited and the number of simultaneous mobile users was even more limited
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This service was the first real mobile network. It had only 5000 subscribers making about 30,000 calls per week. The cost of the service was over $200 per month plus about $5 per call in Australian Dollars at today's value.
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Calls could be made without an operator using rotary dialing
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The improvements included a wider coverage area and increased capacity although demand soon was greater than the capacity
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Cellular technology revolutionised mobile capabilities allowing mass usage of mobile phones
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4G is the type of network most Australians now use