This invention describes a method to enable simultaneous connections to multiple cellular networks while utilising only a single subscriber identity by assigning a unique mobile equipment identity to each radio connection and an apparatus to enable simultaneous connections to multiple cellular networks while utilising only a single subscriber identity by assigning a unique mobile equipment identity to each radio connection where the user equipment is able to manage the multiple International Mobile Equipment Identifiers assigned by the manufacturer of the mobile device by correctly identifying the connected interface and reporting the correct accompanying mobile equipment identifier.