Instant Push-to-Talk Across South Carolina
Connect your team instantly across South Carolina and nationwide with our multi-carrier LTE/5G network. Zero infrastructure required.
Network Infrastructure: South Carolina
Our multi-carrier backbone leverages existing LTE and 5G infrastructure across South Carolina, ensuring that your teams have a priority connection in major urban centers and rural corridors alike.
Statewide Roaming
Automatic switching between ATT, T-Mobile, and Verizon for 99.9% uptime in South Carolina.
Localized Nodes
High-density coverage in major hubs including Charleston, Columbia, North Charleston.


Manufacturing & Tourism
Serving the Manufacturing & Tourism Sector in South Carolina
PTT for automotive assembly and coastal resorts. Sentinel PTT provides the mission-critical reliability required for high-stakes operations across the state.
Tailored for South Carolina Teams
Custom talk groups and priority network access designed specifically to support South Carolina's Manufacturing & Tourism operations and critical regional infrastructure.
Ruggedized Hardware
Our devices are built to withstand the unique environmental challenges of South Carolina, from intense heat to high coastal humidity and hurricane conditions.
Multi-Carrier Reliability
Our devices automatically switch between ATT, T-Mobile, and Verizon to keep your South Carolina teams connected everywhere.
Instant Deployment
No repeaters, no licenses, no infrastructure. Just power on your radios and start talking instantly across South Carolina.
GPS Dispatch
Track your entire fleet across South Carolina in real-time with our powerful PC dispatch console.
See Sentinel PTT In Action
Tell us about your team and we'll walk you through a live demo tailored to your industry. No commitment required - just a clear picture of what Sentinel can do for you.
