Grandstream’s GSC3570, GSC3574, and GSC3575 are HD Intercom and Facility Control Stations designed to provide a centralized interface for facility communications, door access, security monitoring, intercom/paging, and smart building management. The GSC3570 features a 7-inch touchscreen, two-way HD audio, Wi-Fi, PoE, alarm inputs/outputs, and integration with Grandstream door access and surveillance solutions. The newer GSC3574 and GSC3575 add Wi-Fi 6, Android 13, Bluetooth 5.0, six SIP accounts, expanded alarm connectivity, and support for smart-office applications such as HVAC, lighting, scheduling, and meeting-room management. The GSC3574 and GSC3575 offer the same functionality and specifications, with the GSC3574 available in white and the GSC3575 in black. Together, these control stations provide a centralized platform for managing access control, communications, security, and smart facility functions across offices, schools, warehouses, residential properties, healthcare facilities, and other deployments.