| http://www.w3.org/ns/prov#value | - The base unit 12 includes the cradle 22 for receiving the mobile information unit, a plurality of contact points 21 in the cradle 22 for establishing a communication link with the mobile information unit 10, a receptacle for collecting to a telephone line for receiving incoming telephone calls 24, and external ports 26 for connection to other devices such as a keyboard or a serial port, parallel p
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