Ever wondered why FM radio stops at 107.9 MHz? Broadcasting above this frequency is illegal because these radio waves are reserved for aviation and other critical communications. Understanding the rules behind FM frequency allocation is essential for radio enthusiasts, ham operators, and anyone using wireless communication devices. FM Radio Frequency Limits FM radio operates between…
How Far Can a Radio Transmit? A Complete Guide to Radio Range If you’ve ever wondered how far a radio can transmit, you’re not alone. Radio range depends on many factors, from the type of device to terrain and atmospheric conditions. Whether you’re using a walkie-talkie for outdoor adventures or a ham radio for long-distance…
What Determines Police Radio Range? Police departments typically use VHF (Very High Frequency) or UHF (Ultra High Frequency) two‑way radios. The distance that these radios can communicate depends on many factors: frequency, power, antenna height, terrain, and whether a repeater is used. Typical Range Without a Repeater When police officers use their handheld radios without…
What Kind of Radio Should You Use for SHTF (Survival) Scenarios? When planning for a worst-case, grid-down survival situation, reliable communication can be a lifeline. But not all radios are created equal. Here’s a breakdown of radio types that work well in SHTF scenarios, their pros and cons, and some recommended models — plus tips…
Military radio communication is critical for operations, safety, and coordination. Using it incorrectly can lead to confusion, compromise missions, or even endanger lives. Understanding what not to say is just as important as knowing how to transmit effectively. 1. Avoid Operational Details Never broadcast sensitive operational information over the radio, such as: This is crucial…
A common question among boaters and radio enthusiasts is: can you legally use a marine VHF radio from the shore? The short answer is: it’s complicated. Yes — in many cases, it’s illegal, but some limited on‑land use is allowed under specific rules. Why Is It Usually Illegal? So Has Anything Changed? Yes — there…
In an era of increasing natural disasters and power outages, many people wonder: can ham radios still work if the electrical grid goes down? The answer is mostly yes—but it depends on your setup and preparedness. How Ham Radios Work Without the Grid Ham radios, also known as amateur radios, can operate independently of the…
Many people are curious about tuning into police radio channels to hear real-time law enforcement activity. While it sounds exciting, there are important legal and technical factors to consider. Is It Legal? In the U.S., listening to police radio communications is generally legal if you’re only listening. However: Always check your local laws before attempting…
In the most extreme ideal conditions, a traditional walkie‑talkie can reach up to 30 miles (≈ 48 km) — but that’s only when you have perfect line of sight, no interference, full power, and often with very high‑power or repeater‑assisted radios. In real-world scenarios — especially in cities, forests, or between hills — the practical range…
Operating a ham (amateur) radio station without a proper license is a serious violation of radio regulations in many countries. Depending on where you are, the consequences can be quite severe — not just “get in trouble,” but monetary penalties, equipment confiscation, and even criminal liability in some cases. Here’s what can happen if you…