1. A portable biometric device, for use by a designated person in combination with a device or service accessible via at least one of a plurality of unique access, comprising: a biometric sensor for reading a biometric characteristic of a person dependent upon the person presenting said biometric characteristic to the biometric sensor; a digital encoder for encoding a reading of the biometric characteristic, from the biometric sensor, to provide an encoded description of the biometric characteristic; a processor responsive to the encoded description of the presented biometric characteristic for determining if the biometric characteristic is predesignated for accessing a device or service, and if so, selecting the authorization code for accessing said device or service; a wireless transceiver for transmitting the selected authorization code; whereby said designated person, exclusive of an other person, is able to choose which device or service of a plurality of devices and/or services to access by providing different biometric characteristics.