The GT-AC is an access keypad module for the GT multi-tenant entry panels. It will hold up to 100 codes for access. The GT-AC provides 2 dry contact relays. N/O dry contact for door release and N/C dry contact for mag lock activation.The GT Series supports up to 500 tenant stations, which can communicate hands-free to a maximum of 16 entry panels and four security guard stations. The 170-degree entry station camera with PanTilt Zoom provides complete entry visibility. Choose from a one-piece stainless steel entry panel or easily configure the entry panels using either direct select or digital keypad.