9 Electronic circuit element, oscillator; Resonator, surface acoustic wave filtering device; Bulk acoustic wave filter device; Integrated circuits; Radio-frequency filter; Radio-frequency notch filter; Radio frequency duplexer; Radio frequency diplexer; Radio frequency triplexer; Radio frequency multiplexer; Radio frequency switch; Radio frequency front end module; Dielectric ceramic filter; Wireless radio frequency switch; Aerials; Aerials in module; Resistor; Capacitors; Inductor; Thermistor; Power amplifier; Piezoelectric sensor