Electronic device with detachable card unit

摘要

In an electronic device 200 comprising a card 202 and a main unit 201 e.g. a modem, the card connects electrically the main unit to a device 100 e.g. a PC, the card being connectable to the main unit (Figure 4) in the same lead pattern (Figures 9a and 9b) even if the card is upside-down.