In today’s fast-paced industries, clear and instant communication is critical. Push-to-Talk (PTT) systems provide reliable, real-time voice communication at the press of a button—no dialing, no waiting, and no signal dropouts in high-risk or high-noise environments.
Whether you're managing a team on a construction site, coordinating event security, or operating in remote mining areas, PTT technology offers a cost-effective and efficient way to stay connected.
Push-to-Talk (PTT) is a communication method that lets users speak to others instantly by pressing a button—similar to a walkie-talkie, but far more advanced. PTT systems operate over:
Two-way radio frequencies (analogue or digital)
Cellular/LTE networks
Wi-Fi or IP-based systems
Unlike traditional phone calls, PTT allows for one-to-many or one-to-one communication in real time—making it ideal for team coordination and rapid response.
PTT devices typically consist of a microphone, speaker, and a single push-button to transmit voice. When the button is pressed:
The radio activates the microphone.
Your voice is transmitted over the selected frequency or network.
The receiver(s) hear your message immediately through their speaker.
Modern PTT systems use digital networks (like DMR or LTE), offering crystal-clear audio, GPS tracking, encrypted channels, and integration with dispatch software.
1. Instant Communication
No need to dial or wait for a connection. Talk to individuals or groups instantly.
2. Wide-Area Coverage
With LTE or IP-based systems, your team can stay connected across cities, provinces—or even nationally.
3. Rugged & Reliable Devices
PTT radios are built to survive tough conditions, from dusty construction zones to remote mines.
4. Cost-Effective
No call charges or data caps for radio-based systems. Great for long-term operations.
5. Safety Features
Built-in emergency alerts, lone worker functions, and man-down sensors help protect your staff in the field.
6. Scalable & Flexible
Start with a few radios and scale up as your team grows. Combine radio and mobile PTT in one network.
PTT radios are used across multiple sectors in South Africa, including:
Construction & Civil Engineering
Mining & Heavy Industry
Security & Event Management
Transport & Logistics
Farming & Agriculture
Emergency Services
If your team works on the move, in loud environments, or across large sites—PTT is the tool you need.
At L.A Radio, we supply, install, and maintain PTT systems from leading brands like Hytera, Kenwood, and ICOM. We tailor communication solutions to your industry, team size, and coverage needs.
Our services include:
Expert advice and product selection
On-site installations and training
Radio rentals for short-term projects
Repairs, support, and maintenance
Based in Johannesburg, we serve clients across Gauteng and throughout South Africa.