Abstract: Disclosed is an electronic device comprising: a radio module designed to exchange information; an interface device designed to receive a SIM card, the interface device having a data interface, a clock interface, a reset interface and a supply interface designed to supply power to the SIM card; and a circuit board, on which the radio module and the interface device are arranged and electrically connected to one another; characterised in that the radio module has a voltage specification circuit and an associated voltage output, which voltage specification circuit is designed to specify an operating voltage for the SIM card, a fourth electrical connection having a decoupling circuit with power-limited output to the supply interface, which decoupling circuit is designed to decouple the voltage specification and energy supply of the SIM card from one another.

Abstract: Disclosed is an electronic device comprising: a radio module designed to exchange information; an interface device designed to receive a SIM card, the interface device having a data interface, a clock interface, a reset interface and a supply interface designed to supply power to the SIM card; and a circuit board, on which the radio module and the interface device are arranged and electrically connected to one another; characterised in that the radio module has a voltage specification circuit and an associated voltage output, which voltage specification circuit is designed to specify an operating voltage for the SIM card, a fourth electrical connection having a decoupling circuit with power-limited output to the supply interface, which decoupling circuit is designed to decouple the voltage specification and energy supply of the SIM card from one another.

Abstract: The invention relates to a field device of measurement- and automation technology, comprising: a measuring transducer which is adapted to register at least one measured variable and, at any one time, to output at least a first measured value representing the measured variable; a display unit which is adapted to display measuring- and/or operating parameters; and an electronic measuring/operating circuit which is adapted to operate the measuring transducer and/or the display unit, as well as to calculate from the first measured value a derived, second measured value. The display unit has a screen that has a first region with a first display technology and a second region with a second display technology. The first region is embodied reflectively or transreflectively and the second region is embodied transmissively.

Abstract: Disclosed is a field device of automation technology, comprising: a housing having a wall; a data transmission means arranged on an outside of the housing wall; and an electronic operating circuit arranged in a housing chamber and is adapted to operate the data transmission means, wherein the data transmission means and the electronic operating circuit are connected via an electrical signal line having a plurality of electrical conductors, wherein a first electrical conductor is adapted to lead a data signal and wherein at least a second electrical conductor is adapted to shield the first electrical conductor, wherein the signal line has an isolation device adapted to isolate a first signal line section galvanically from a second signal line section, wherein the isolation device includes an electromagnetically transparent plate having a first lateral surface and a second lateral surface parallel to the first lateral surface.

Abstract: Disclosed is a field device of automation technology, comprising: a housing having a wall; a data transmission means arranged on an outside of the housing wall; and an electronic operating circuit arranged in a housing chamber and is adapted to operate the data transmission means, wherein the data transmission means and the electronic operating circuit are connected via an electrical signal line having a plurality of electrical conductors, wherein a first electrical conductor is adapted to lead a data signal and wherein at least a second electrical conductor is adapted to shield the first electrical conductor, wherein the signal line has an isolation device adapted to isolate a first signal line section galvanically from a second signal line section, wherein the isolation device includes an electromagnetically transparent plate having a first lateral surface and a second lateral surface parallel to the first lateral surface.