Talkaphone BLPT-RETRO-CGW-4G-GSM-V2-E520E-ATTV2 VoLTE Retrofit Kit with ETP-520E Call Station, 4G Cellular Gateway with Antenna, 2-Year Prepaid AT&T SIM Card VoLTE Service, 2-Year Cloud Monitoring

Upgrade legacy emergency communication points quickly and reliably with the Talkaphone VoLTE retrofit kit for Emergency Call Stations. This turnkey solution pairs the ETP-520E call station with a 4G Cellular Gateway and external antenna to provide dependable voice connectivity where copper or IP lines are unavailable or costly to rework. The kit includes a 2-year prepaid AT&T SIM with VoLTE service and 2-year cloud monitoring, giving you managed connectivity and real-time system health checks from day one. Ideal for campuses, transit hubs, parking facilities and remote sites, this retrofit reduces installation time, lowers lifecycle costs, and improves uptime for security operations. Remote monitoring and diagnostics cut costly site visits while enabling fast response and integration with existing surveillance and monitoring platforms. With Talkaphone’s retrofit kit you gain a modern, compliance-aware emergency communications path that prioritizes reliability and maintainability. Deploy this kit to modernize your emergency stations and strengthen safety, monitoring, and response workflows.

• Rapid VoLTE upgrade of existing emergency call stations using the included ETP-520E call station and 4G cellular gateway
• Complete connectivity package with 2-year prepaid AT&T SIM (VoLTE) and 2-year cloud monitoring for continuous service and remote health checks
• External antenna and robust 4G gateway improve voice reliability where wired networks are impractical
• Reduces maintenance and site visits through cloud-based monitoring, remote diagnostics, and simplified troubleshooting
• Designed for security-critical environments and integrates with existing surveillance, monitoring, and emergency response systems