It is different with fixed line internet access e.g. via Internet Service Provider (ISP) which has dedicated bandwidth allocation, wireless or mobile broadband internet service has various charging mechanisms. This is to anticipate unstable connection which used to happen to wireless internet service. It is fairer that when subscriber is getting slow speed during accessing to internet, Telecommunication Company should charge them cheaper. As you know that many factors influence the speed of wireless or mobile broadband internet service but the most contribution is RF capacity issue.
Usually telecommunication company is giving two basic charging mechanisms, those are; Continue reading Charging mechanism of wireless internet services