The European commission has announced a new classification (Commission Decision 2000/299/EC of 6 April 2000). According to this announcement, netis 2.4GHz wireless products have been divided into Class 1 equipment, and can be placed on the market without any restriction.
 
Extensive reading (quoted from Radio and telecommunications terminal equipment (R&TTE) Reference documents R&TTE:)
The decision identifies two classes:

Class 1 equipment is equipment that can be placed on the market and be put into service without restrictions. The Commission, in consultation with Member States, publishes an indicative and non exhaustive list of equipment falling within the scope of Class 1: Subclasses of Class 1 - July 2012

Class 2 equipment is equipment for which Member States apply restrictions as indicated in Article 1(2) of the Decision, which also assigns the Alert Sign as Equipment Class Identifier for this class.The following subclasses of Class 2 correspond to radio equipment using harmonised frequency bands for which, in consequence, notification in accordance with Article 6(4) of the Directive is not necessary: Subclasses of Class 2 - November 2012