During hiking, camping, hunting, mountaineering, or bushcraft activities, communication safety is often a matter of life and death. We frequently venture into areas with no cellular coverage, where there are no towers and modern digital tools—such as smartphones or GPS—are of little use. In such situations, traditional radio communication, especially FRS-based walkie-talkies, becomes invaluable. But…

Hiking in mountainous terrain and QRP amateur radio operation are increasingly overlapping hobbies for many enthusiasts. For these operators, the challenge lies not only in conquering nature but also in achieving efficient communication with minimal energy consumption. QRP, or low-power radio transmission, is one of the most exciting branches of amateur radio. It requires not…