this item must be purchased with a UPL200 Uplink Simcard - Verified Security for Outdoor Applications in any Weather - Introducing the industry's only, wireless, fully integrated, security system designed for outdoor, small-to-medium-sized business (SMB) applications that incorporate a weather-resistant enclosure, LTE communicator, and 2-way encrypted wireless support for indoor and outdoor motion viewers. The XTO640 creates an opportunity for incremental RMR with central station-monitored, video-verified alarms and enhanced services on new or existing alarm systems. Honeywell HomeThis new control panel can be used in a wide variety of outdoor, harsh environment applications where power and Internet may not be available, or in areas with very low temperatures including:Construction SitesWarehousesVacant PropertiesHVAC & RooftopsScrap/Recycling YardsFenced LotsCopper TheftSubstationsRemote Facilities, Mines, Gravel PitsAgricultural Fields & FacilitiesSolar Panel FarmsMarinas/DocksSchools & Campuses