A computer apparatus for receiving a removable communication card such as a radio card or a modem card. A radio or modem is self-contained inside a housing of the communication card and has an electrical interface for communicating information to and from the computer apparatus. The computer apparatus...http://www.google.de/patents/US20040174307?utm_source=gb-gplus-sharePatent US20040174307 - Radio transceiver card communicating in a plurality of frequency bands
