Aiphone 1 way audio surface stainless steel door station with DDA Aiphone 1 way audio surface stainless steel door station with DDA This is a special-order item and is therefore non-refundable. MPN GTN-1A/S/SS/MDDA Item no. W126723904 Add to favourites Stock level See your price See product specifications Specifications for GTN-1A/S/SS/MDDA Vendor information Brand Name Aiphone *The product data above is provided by Icecat. Oprema cannot be held responsible for errors in relation to this.