Reference:
          
       	  
            I509PM  
          
      
      
      
      
      
       
         
      
      
        Push button to make calls. Voltage direct from Jack connector.
         
      	
	  
      
	
      
    
 
  ![AIPHONE™ NIR-8A Push Button [I509PM]](http://en-shop.sysaway.com/cdn/shop/products/I509PM_grande.png?v=1706197985) 
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