A cooling device is disclosed for a radiation detector including a detector surface and a plurality of collimator plates arranged in the direction of X-radiation before the detector surface. In preferred embodiments, the clusters comprise water-repellant or lubricant-finished fiber andor dry fiber andor binder fiber and may be mixed with opened fiber. In reader emulation mode, the signal strength meter function measures and reports how well the reader of the NFC-enabled device couples to a tag that is being read. The distinct operator component passes each tuple in the sequence to an auxiliary logger. Data transfer from the current Internet to the high-capacity network and vice versa can be facilitated by requiring that each edge module in the high-capacity network that acts as a gateway be bilingual, that is, understand both a simple high-capacity network-specific routing protocol and conventional Internet protocols.