There may be problems with maintaining the protection of devices and information. As an example, because of their little size, these devices may be straightforward to steal. It's conjointly doable for information to be intercepted victimization a number of these mobile technologies - like Bluetooth and infrared. For a lot of info, see securing your wireless systems.
There also are alternative issues. Infrared and Bluetooth each have property limitations. Infrared needs line of sight that may not withstand walls or alternative obstacles, whereas Bluetooth can withstand walls however solely up to a helpful vary of ten meters. As a result, several phones and laptops don't have these capabilities.
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