For the most widely available products, with external plastic parts (e.g. AG, Access Gateway), “flame resistance” is checked in the event of malfunctions of the internal electrical parts; ▪ electromagnetic compatibility aspects, regulated by Directive future 2014/30/EU): every item of electronic equipment is checked for unintentional electromagnetic signal emissions - in order to avoid interference harmful to radio communication - and the fulfilment of certain immunity from electromagnetic interference requirements.