Keri Systems has partnered with Mercury Security to bring enhanced capabilities to its Doors. NET customers that use the NXT hardware platform of TCP/IP-based controllers. By embedding Mercury Firmware in NXT Controllers a whole new set of features become available for applications with more sophisticated and customized requirements. This broadens the scope of NXT hardware capability such that it makes it a good choice for high-end and Enterprise applications as well as mid-sized projects that demand high end features.