Cellular & wireless cameras are a great asset when it comes to saving time and promptness. If the wireless camera is for security purposes it lets you know whats going on when it happens. This is a priceless advantage to have and get ahead of the thieves. Or if the cameras are being used on traps, it saves time having to go out and check the traps every day. The uses for cellular cameras are endless. The cellular cameras operate off either MMS or Data, through a sim card. Some companies have their own cellular system that the photos send to an app.