BS EN 62604-2. Surface acoustic wave (SAW) and bulk acoustic wave (BAW) duplexers of assessed quality. Part 2. Guidelines for the use|Piezoelectric devices, Electrical components, Assessed quality, Electrical testing, Capability approval, Definitions, Electronic equipment and components, Environmental testing, Acceptance (approval), Acoustic wave devices, Qualification approval, Symbols, Endurance testing, Quality assurance systems, Terminology, Electric filters, Electrical equipment, Marking, Acoustic equipment, Visual inspection (testing), Dimensions, Quality control, Mechanical testing, Acoustic filters