The present document, together with ETSI EN 301 489-1 [1], specifies technical characteristics and methods of measurements for radio devices based on UWB technology in respect of ElectroMagnetic Compatibility (EMC). The present document applies to fixed, mobile or portable UWB devices, e.g.: - stand alone radio equipment with or without its own control provisions; - plug-in radio devices intended for use with, or within, a variety of host systems, e.g. personal computers, hand-held terminals, etc.; - plug-in radio devices intended for use within combined equipment, e.g. cable modems, set-top boxes, access points, etc.; - combined equipment or a combination of a plug-in radio device and a specific type of host equipment; - equipment for use in road and rail vehicles; - ground and wall probing radar equipment; - (tank) level probing radar equipment; - material sensing devices.