Product DescriptionThe Honeywell LTEM XV Communicator uses LTE Cat M1 cellular technology to deliver alarm signals from compatible VISTA control panels to the monitoring network via Verizon. It offers full Contact ID reporting, 256-bit AES encryption for secure communications, and allows firmware updates over the air to keep the system current. Designed to connect to VISTA 15P, 20P, 128BPT and 250BPT panels with ECP support, it draws power directly from the panel and provides diagnostic LEDs for signal strength and status monitoring. With operating temperatures ranging from -20 °C to +55 °C it is built for reliable indoor installation and provides advanced communication longevity for modern alarm systems.