All the documentation that must accompany the radio equipment both with reference to instructions for use, safety, and any other information, It must be prepared, at least, in Spanish.
European guides
Lablue guideis a European Commission document supporting economic operators in the marketing of products on the European internal market. It is a document that has no legal value but is subject to mandatory consultation on general issues.
In the specific area of radio equipment, the European Commission has approved the guide RED (Radio Equipment Directive), in line with the previous document.