Honeywell Home LTE-21V Optional Snap-in Radio Module for VISTA21IPLTE, Verizon

Dual-path communicator module that snaps directly onto compatible security panels for enhanced reporting capabilities. Supports 4G LTE and IP connectivity with Full Contact ID protocol for reliable alarm transmission.

Features 256-bit AES encryption for secure communications, diagnostic LEDs for system monitoring, and Quality of Service optimization. Includes firmware upgrade capability and remote service access (subscription required). Agency listed and quality tested for professional installation and long-term reliability.

Compatible with VISTA21iPLTE panels. Enables businesses to expand system functionality while maintaining industry-standard security protocols and professional monitoring integration.