![AIPHONE™ GT-VBX Video Control Unit [I176UE]](http://emacspruebaamerica.myshopify.com/cdn/shop/products/I176UE_grande.png?v=1497279366)
Reference:
I176UE
Expanded video control unit for the GT system with more than 5 entrances, 2 concierge stations, or 48 tenant stations. 1 per system. Mounting rail included.