CISPR 16-1-1:2010 is available as CISPR 16-1-1:2010 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. CISPR 16-1-1:2010 specifies the characteristics and performance of equipment for the measurement of radio disturbance in the frequency range 9 kHz to 18 GHz. In addition, requirements are provided for specialized equipment for discontinuous disturbance measurements. The specifications in this standard apply to EMI receivers and spectrum analyzers. This third edition cancels and replaces the second edition published in 2006, and its Amendments 1 (2006) and 2 (2007). It is a technical revision. This main technical change with respect to the previous edition consists of the addition of new provisions for the use of spectrum analyzers for compliance measurements. CISPR 16-1-1:2009 has the status of a basic EMC publication in accordance with IEC Guide 107, Electromagnetic compatibility - Guide to the drafting of electromagnetic compatibility publications. The contents of the corrigenda of October 2010 and October 2011 have been included in this copy.