The ST Express is a cost-effective self-contained security system with the flexibility of a hybrid panel.  It's advanced technical design makes it the perfect security system for the digital age.  The system includes two-hardwired zone inputs and supports up to 62 additional wireless zones.  The ST Express' unique duplex narrow band frequency diversity transmits and receives radio signals on two separate frequencies, providing enhanced wireless reliability when compared to competitive systems.  In addition, the system can receive signals from select GE and Honeywell wireless sensors, as well as the entire line of Sequel wireless sensors and devices. (GE and Honeywell are trademarks of The General Electric Company and Honeywell International Inc., respectively)