Retevis RT40 Digital PMR446 Radio: Perfect for Off-Road Convoys

“Here's a legal walkie talkie that delighted me. Analog and digital (DMR), it offers 3 x 16 channels. It's easy to program everything using the software available on the Retevis website, and programming can be done over and over again, apparently, which is great. This device is very effective in convoy.” The Retevis RT40 digital PMR446 radio excels when coordinating off-road convoy, whether it's off-road adventures, emergency response, or team expeditions.

The RT40 is both a PMR446 radio and a DMR radio, so it is not only license free but also has analog and digital two modes. It supports signal calls, group calls, and all calls to meet your different communication needs. As a PMR446 radio, the power of RT40 is 0.5 Watts, and the range of RT40 is up to 1.7 km in the city. (The actual distance is affected by the environment and the terrain.)

Retevis RT40 License Free Digital PMR446 Radio

License-Free Operation: Freedom to Communicate

The Retevis RT40 digital radio eliminates the hassle of licensing by operating on the PMR446 band (popular in Europe) while also supporting DMR (Digital Mobile Radio) technology. This dual identity means you get the best of both worlds: license-free operation and the flexibility of digital DMR radio alongside analog modes. Plus, its signal call, group call, and all call functions let you tailor communication to your team’s needs—perfect for coordinating drivers, scouts, or support crews.

Digital & Analog Dual Mode: Universal Compatibility

Outdoor convoys often involve mixed teams using different radios. The RT40 DMR radio bridges the gap with its dual-mode capability, seamlessly switching between digital and analog transmissions. This ensures compatibility with virtually any two-way radio system, whether your team uses older analog devices or newer DMR radios. No one gets left out of the loop, making it ideal for collaborations with external partners or emergency services.

AES128-bit Encryption: Secure Your Conversations

Security is paramount when discussing route details, logistics, or sensitive information. The RT40’s AES128-bit encryption ensures your communications stay private. By programming the same encryption key across all radios in your group, you create a secure channel that blocks eavesdroppers. The encryption adds an extra layer of confidentiality, making the RT40 a reliable option for sensitive operations.

Large Channel Capacity: Stay Organized, Stay Connected

Tired of channel congestion? The RT40’s 48 channels provide ample room for large or diverse teams. Assign dedicated channels to specific roles—lead vehicle, medical support, logistics—to keep conversations streamlined. This flexibility reduces cross-talk and ensures critical messages aren’t drowned out, even in complex operations. As a DMR radio, it offers more efficient use of available channels compared to traditional analog radios.

Long-Lasting Battery: Power Through Your Mission

A dead radio mid-mission isn’t an option. The RT40’s 2000mAh battery adheres to the 5-5-90 efficiency standard (5% transmit, 5% receive, 90% standby), delivering up to 22 hours of standby time. This endurance is a lifesaver for multi-day trips or remote areas where charging options are scarce. Spend less time worrying about battery life and more time focusing on the journey. Type-C charging is also convenient.

Lone Worker Function: Safety Built-In

In hazardous environments, a missed check-in can be dire. The RT40’s Lone Worker feature acts as a safety net. Set an inactivity timer, and if a user doesn’t respond to alerts, the radio triggers an alarm. This function is invaluable for convoy members working in isolation—like rear guards or mechanics—ensuring their well-being is never overlooked. 

Final Thoughts

The Retevis RT40 digital PMR446 radio isn’t just a radio; it’s a comprehensive communication solution built for the demands of outdoor convoys. With license-free operation, robust security, and features tailored for teamwork and safety, it empowers groups to tackle challenges with confidence. Whether you’re leading a rugged adventure or a critical rescue mission, the RT40 keeps your crew connected, secure, and ready for anything.

Related Blog: Why the Retevis RT43 DMR Radio is Perfect for Cold Storage?