About Sentinel PTT

Sentinel Push-to-Talk is a premier provider of global PoC (Push-to-Talk over Cellular) solutions. Built for mission-critical operations, our platform ensures teams stay connected across any distance without the need for expensive radio infrastructure.

Powered by Stolz Telecom, Sentinel PTT inherits decades of deep expertise in critical communications, radio frequency engineering, and enterprise dispatch solutions. We combine the rugged reliability of traditional two-way radios with the limitless range and data capabilities of modern cellular networks.

Whether you are coordinating a fleet of vehicles, managing a construction site, or securing a campus, Sentinel PTT provides the instant, reliable communication backbone your team needs to operate safely and efficiently.

Global Range

Coverage across all 50 states and international roaming utilizing AT&T, T-Mobile, and Verizon networks.

Enterprise Grade

Secure, encrypted communications trusted by public safety and critical infrastructure.

Zero Infrastructure

No need to build or maintain expensive towers, repeaters, or base stations.

Instant Deployment

Devices arrive pre-configured and ready to use out of the box.