A medical x-ray detection device includes an x-ray detector operable to detect the presence of x-ray radiation in a medical environment, and a signal emitter operatively coupled to said x-ray detector. 5 and 3 \u03bcm, and the condition R50Z>5 is satisfied. The input means receives 3-dimensional image data. Using a first application operating on a first one of the mobile devices and based upon the stored set of polices, a request can be transmitted to request cellular data access capabilities of a second one of the mobile devices.