A method and apparatus for mobile communication in multiple mobile communications networks. Selected sheets of paper are being displaced along a reverse path from the stacker roller back to the printing section for providing printing on the opposite side of the selected sheets, which are eventually guided by switching gates located along the reverse path to a sorting device juxtaposed with the switching gates. 1-OH cyclopentane heptanoic acid, 2 heteroarylalkenyl derivatives. A communication capability providing unit combines the API with the contents selected by the contents provider, and adds a communication function to the contents on the basis of usable network resources. The receiver receives all contiguous and non-contiguous intra-band CA and inter-band CA signals allowing for improved rejection and balanced rejection of jamming signals on either side of the two carrier signals.