
Similar Posts
Analysis and future of Push-to-Talk over Cellular (PoC) systems
Radio communication has long been a cornerstone of fast and reliable information exchange—whether in industrial environments, logistics, public services, or even hobby radio use. In recent years, advancements in technology have introduced a powerful alternative to traditional VHF/UHF radio systems: Push-to-Talk over Cellular (PoC). This modern approach combines the simplicity of push-button communication with the…

What is TETRAPOL and how does it differ from TETRA?
TETRAPOL might not be a household name, but in the world of secure communications, it has played a critical role for decades. Designed with national security and public safety in mind, this digital trunked radio system has provided dependable voice communication for police, military, and emergency services around the globe. But how does it compare…

Everything you need to know about maritime radio communication: frequencies, range, regulations, and emergency procedures
As summer approaches and the weather gets better, more and more people are planning trips to rivers, lakes, and seaside locations. Boating offers an unparalleled experience, but to ensure safe navigation, it’s essential to understand and correctly use maritime radios. This article provides a comprehensive overview of everything you need to know about maritime radio…

Simulcast systems in professional VHF radio: functionality, requirements, and applications
Simulcast systems are a cornerstone of modern VHF radio communications, especially in large-scale, mission-critical networks. Their purpose is simple yet powerful: allow multiple transmitters to broadcast the same signal on the same frequency at the same time. This ensures seamless coverage over wide areas without requiring multiple frequency allocations—a major advantage in environments where spectrum…

Radio Communication in Disaster Management – Technology That Saves Lives
One of the cornerstones of disaster management is fast and reliable communication. In emergencies—whether natural disasters, industrial accidents, or man-made crises—the flow of information is critical. Radio communication technologies have played a central role in effective response and coordination processes for decades. Modern devices and systems enable rapid, reliable, and encrypted communication between units, even…

Why is AM modulation still used in aviation? A technical look at an unlikely survivor
In an age of digital communication, error correction, and smart radios, it might seem outdated—even strange—that the global aviation industry still relies on amplitude modulation (AM) for voice communication. Yet, every commercial pilot, air traffic controller, and military aircraft across the world continues to use AM radios in the VHF airband (118–137 MHz) as the…




