<xs:simpleType name="RfidDeviceType" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:restriction base="xs:string"> <xs:enumeration value="NotSpecified" /> <xs:enumeration value="NedFoxRfid" /> <xs:enumeration value="FeigUsbOdin" /> <xs:enumeration value="GigatekPCR210" /> <xs:enumeration value="OlimexAerPos" /> </xs:restriction> </xs:simpleType>