Description:
•Noise Reduction Ratings(NRR):24dB                        
•Coiled Cord Length: 70cm                           
•Intercom Connections:U174/U                    
•Noise Reduction Device Specifications:                     
 Attenuation Frequency Band-----20HZ to 20KHZ                          
 Attenuation Capacity-----18 to 21dB                    
 Power Consumption------30mW                           
•Apply to Helicopter                       
Accessories Options:

•Intercom Connections:U174/U                                                                                                            

• Battery Box

Structure Features:

• Mic Boom:  Flexible or Boom Spring Tension Boom