Platform Controller E-Z Link Controller DL01E The DigiSmart® E-Z Link Controller uses 115V and communicates via antenna to each Amana brand DigiSmart PTAC equipped with a  gateway antenna. All of the DigiSmart suite of products linked to a DigiSmart PTAC can be monitored, controlled, and upgraded easily through the DigiSmart wireless network. All functions are accessed through a secure and unique website for each location, which provides control of the DigiSmart Energy Management System from any Internet-connected computer. The controller comes with the ability to connect to property management systems to monitor room rental status. Not all software supported. Support for 170 rooms with PTAC radios Network-configurable so multiple gateways can be used for larger hotels Enables all radios (including PTAC radios), thermostats and occupancy sensors to be upgraded over the air Ability to send reports and other information to remote servers over the Internet Supports certain front-desk programs connecting through an external serial port For more information please call:   1-800-647-2982