Abstract: A device to be used with a mobile station, comprising a body to be attached e.g. to a belt with an attachment plate and a fastener attached to the mobile station with a fitting piece. The body includes control flanges bent inward from two opposite sides and from below to guide the fastener which comprises a neck and a wider end consisting of a flange placed behind the guide flanges. The body also includes a projection or a similar structure acting against a spring force, resisting the upward movement of the fastener when said fastener is in the locked position.

Abstract: Method of mounting a printed circuit board and securing the earthing to a casing. The method includes providing the printed circuit board with projecting parts and an earthing connection on at least one face, providing the casing with corresponding recesses, mounting the printed circuit board so that the projecting parts fit into the recesses to support the board, attaching a flexible sealing strip of electrically conducting material, and placing a lid on the sealing strip, whereby the earthing connection contacts the casing and the sealing strip, securing the earthing connection.