MiFi’s are small, portable, wireless devices that allow multiple end users to share a single, ad hoc mobile broadband network connection whilst they are on the go.
MiFi links to a 3G or 4G mobile network and creates a wireless broadband cloud or hotspot. This can then be accessed by mobile internet-enabled devices including smartphones, laptops and tablets and even games consoles — that are within the area of signal.
Although some smartphones will allow you to create a hotspot they have a limited range in terms of data and connectivity. […]