When you live in an area which has no desent broadband options ( Dsl, Vdsl or fibre ) and your tring to manage with speeds of 1-10mb.
4G can be a very good solution.

 If 4G singals are good, then you could get 20-60mbps with a good external 4G antenna or external router.
Most providers offer unlimited data and a cost of £40-£60 per month with no contract in some cases.

4G does work out cheaper than satellite broadband, but satellite broadband has got better coverage.