Home Company Profile Factory Profile Our Products Contact Us News     Speaker Microphone Transducer Buzzer Plate Receiver                      UTRA18H2.8DJMT Product Number UTRA18H2.8DJMT Description Size: 18mm Height: 2.8mm Sound Pressure Level: 86dB Resonance Freq(fo): 900 ±15% Rated Power:0.8W Max Power: 1W Enquiry Send Enquiry Specification   Speaker Condenser Microphone Buzzer & Transducer Buzzer Plate Receiver Copyright 2004 by Union Team Limited (Group)