Abstract: The invention relates to a card adapter which is arranged for placing and connecting a separate expansion card (C), such as a card-like wireless communication device, to an expansion card interface of an electronic device, and which card adapter (A) comprises a first end (A1) provided with first connector means (1) for connecting to the electronic device, a second end (A2) provided with a space (3) for placing the expansion card (C) into said card adapter (A), and second connector means (2) for connecting the expansion card (C) placed in said space (3) to said card adapter (A). The second connector means (2) are arranged to move along with the expansion card (C) connected thereto, when said expansion card (C) moves into different functional positions (P1, P2).

Abstract: The invention relates to an expansion (1) arranged to operate in at least a first function mode. The expansion card comprises at least means (4, 6) for setting the function mode and means (2b, 13, 14) for connecting the expansion card to the expansion card connector (2a) of the electronic device. The expansion card (1) comprises further means (4) for generating a signal on turning on of the expansion card (1) and means (2b, 8, 11, 13) for transmitting the signal to an electronic device (3). The expansion card is also provided with means (4) for forming a message about setting the first function mode and means (2b, 8, 11, 13) for transmitting the message to the electronic device.